Accessories

Wheels Manufacturing open bore adapters are used to press sealed cartridge bearings into place. The adapters are machined with one step to correspond to the bearing OD, which fits in to the center of the sealed bearing and an outside diameter to accommodate the bearing's outer diameter. Size: [Bearing inner diameter] x [Bearing outer diameter] Note: If only one dimension is given, that is the outer diameter of the adapter, with no inner diameter step

Lightweight plugs for tubeless tire punctures. When paired with Genuine Innovations' Tubeless Tackle Kit (#G20439) or Tubeless Repair Kit (#G2650), you can plug pesky punctures in seconds and cycle confident for many rides to come.

Heat-treated alloy tool steel, one inch base fits wrench or bench vise. Thin-wall construction allows use without removal of cones and locknuts. The FR-5 has 12 splines that are approximately 23.4mm across. - Fits Shimano, SRAM, Sunrace, Suntour, Chris King and other cassette lockrings - Fits the SRAM XX1 11-speed cassettes - Also fits Shimano disc brake lockrings - Always use a quick-release skewer to hold the tool in place and snug to cogs when loosening; for solid axles, use the axle nut

Specially designed for crank bolts, freehub removals and pedal installs and removals, Park's Hex Tools are built for speed, leverage and comfort. Their super-precise hex heads and dual-density, ergonomic handle mean the HTs may soon become your new favorite tools.

Choose the perfect tool for the job with Park's P-Handled Hex Wrenches. These top-shelf Allen wrenches come with offset handles made from durable nylon in a comfortable, ergonomic design. They are made of chrome vanadium for exceptional durability. The long shafts feature Bondhus heads for accessing hard-to-reach bolts and the short ends are chamfered for extra grip and high-torque applications.

Park's Cone Wrenches are made of durable tool steel and are nice and thin to fit on the small-clearance cones found on hubs and other bearing assemblies. Plus, they work as regular wrenches, too. They feature Park's special Y heads that put more material where it's needed for excellent durability and strength. Most applications require at least 2 cone wrenches. If you have questions please contact us and we can recommend the correct sizes for your needs.

Highest quality bits Prestacycle offers the highest possible quality 1/4" hex tool bits for use on Bicycles and much more. Our bits are compatible with all Prestacycle hex-based hand tools, and are industry-standard to fit all other tools that use 1/4" hex bits. Engineered for long life All Prestacycle Professional bits are made with hardened S2 steel, which is much stronger than most hand tools which are made of CRV Steel. S2 steel also resists stretching, preventing rounded edges on the bits that could damage bolts. We apply nickel-plating to all Professional bits to prevent marring to Stainless Steel, Aluminum and Titanium screws and to provide a long-lasting finish. Specific hex bits have micro surfacing to reduce slippage when in use. JIS Compatible Prestacycle bits sets do NOT contain U.S. Philips heads, which were specifically designed in 1932 to round-out as an alternative to torque tools. These are modern ANSI standard (compatible with the discontinued JIS standard) and can be used on any bicycle cross head bolt. (3) Hardened S2 steel Nickel-plated Professional bits in a Patented Bits Carrier. 100mm Extended length bits fit bicycle specific applications like underneath Road Brake Hoods and through the wheel for Disc Brakes. Stronger and longer lasting than any other tools made for bicycles. Since worn heads can damage bolts, these bits protect your components. Specifications: - (6) Precision hardened bits in a Patented Bits Carrier - 100mm rounded shaft bits fit recessed bolts - Professional bits made with hardened S2 steel - Nickel-plated for a long lasting finish that prevents marring - They resist rounded edges to protect your bolts - Compatible with all Prestacycle hex-bit hand tools - Fit underneath Road Brake Hoods and through the wheel for Disc Brakes - Industry-standard to fit all other tools that use 1/4" hex bits - Specific hex bits have micro surfacing to reduce slippage when in use Sizes: - HEX: 4mm, 5mm - TORX®: T25

Blendr is the ultimate integration system for clean and easy installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr High Ion Light Mount for a clean, flush look that securely holds your Bontrager Ion light above your stem to see and be seen. Key features: - Blendr is an elegant, integrated accessory mounting solution - Provides clean and secure mount for Bontrager Ion headlights - Works with any Blendr-compatible stem and the accompanying base - For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)

Safety First Just as mirrors are important to your cars, so are bike mirrors important for your bike. Features - Adjustability: Telescoping neck with ball & socket lens for optimum viewing angle - Quick Assembly: Adhesive mount on any helmet - Construction: Molded thermoplastic with ultra-clear 800R glass lens - Weight: 0.03 lb / 12g

Dimension Mini Bells take up less room on handlebars and fit 40mm or narrower. Check out the video for a YouTube sound clip!

Clamp your water bottle cage securely to your handlebars with Electra's Bottle Cage Adapter. Easy installation and universal bottle cage compatibility make this accessory a no-brainer. • Allows for the installation of bottle cages on bicycles without frame mounts • Mounts to handlebar • Bottle cage sold separately

Designed to leave zero residue after application, Finish Line’s Bicycle Disc Brake Cleaner displaces any moisture built up on the pad or rotor, resulting in improved and predictable braking, and reduced brake squeal. With the unique characteristic of being acetone free, Finish Line’s Bicycle Disc Brake Cleaner is strong enough to clean the dirtiest rotors, yet safe enough to use around paint, carbon fiber and plastic parts. - Engineered to rapidly clean disc brake rotors and pads - Acetone-free formula

Created to supplement additional electrolyte replacement needs, GU Roctane Electrolyte Capsules provide added electrolyte support on top of our hydration-drink products. Each bottle includes 50 capsules that are packed with electrolytes (sodium, magnesium, chloride) to aid in hydration by maintaining water balance and plasma volume. Vitamin D is important for calcium absorption and bone health. Vitamin B6 and ginger root may help to combat nausea. Take GU Roctane Electrolyte Capsules before, during, or after exercise to replenish electrolyte levels from any energy-demanding activity resulting in sweat loss.

Mount your Garmin Edge computer with the Quarter Turn Bike Mount. It includes the bike mount, rubber disc, and elastic bands to secure the Quarter Turn to your stem or handlebars.

The Greenfield KS3 is a center-mounted kickstand. It's lightweight, durable, and looks great on any bike. The kickstand is constructed from aluminum and made in the USA. - For bikes with a factory mounting plate (includes bolt) - 285 mm (for bikes 22" and under), 305 mm (for bikes 22" and over) - Certified Non-Corrosive Casting - Snap Action Mechanism - Non-Slip Clamping Surface

This kit includes a Greenfield center-mounted kickstand as well as a mounting plate that's designed with a cutaway to clear derailleur cables. The kickstand is lightweight, durable, and looks great on any bike. It's made of aluminum and made in the USA. - 285 mm (for bikes 22" and under), 305 mm (for bikes 22" and over) - Certified Non-Corrosive Casting - Snap Action Mechanism - Non-Slip Clamping Surface

This mount securely attaches your Light and Motion Vis 180 Micro taillight to a standard rear bicycle rack (taillights and racks sold separately).

Ride with minimal chain slap by using a Chainstay Protector. Comes in 5 sizes and 4 colors giving you the versatility needed no matter what you ride. Designed and made in our Utah facility, the Chainstay Protector is made with neoprene and sewn with a tight stitch and heavy-duty thread for extra strength and durability. Lizard Skins chainstay guards are the original, strongest and lightest protectors on the market since 1993.

High-performance brake and clutch fluid designed to lubricate and protect critical brake system componentry while providing reliable stopping power. Anti-vapor lock formulation maintains responsiveness and performance by fighting both water contamination and vaporization. Advanced chemistry resists corrosion, and oxidation and is compatible with SBR, EPDM, and natural rubbers. Exceeds the requirements of US FMVSS 116 DOT 5.1, DOT 3 & DOT 4, SAE J1703, SAE J1704, and ISO 4925 (Classes 3, 4 and 5.1). For use in all hydraulic clutch systems and all brake systems specifying DOT 5.1 brake fluids. Do not use in DOT 5 silicone brake systems or mix with silicone-based fluids. Features: - For use in all vehicles specifying DOT 5.1 brake fluid. - Durable and reliable stopping power. - Anti-vapor lock formulation maintains a responsive lever and pedal feel. - Resists corrosion, oxidation, and boil-off. - Mixes with other DOT 3, DOT 4, and DOT 5.1 brake fluids. - Exceeds US FMVSS 116 DOT 5.1, DOT 3 & DOT 4, SAE J1703, J1704 and ISO 4925 (Classes 3, 4 and 5.1).

The NiteRider Lumina Handlebar Strap Mount offers a wide variety of handlebar size fitments and remains rock solid while riding through rough terrain. It’s easy to install and, like all NiteRider mounts, features a quick release tab for when it’s time to recharge or leave your bike unattended. System Compatibility: - Lumina Series - Mako Series - MiNewt Cordless Series

Rock-N-Roll Absolute Dry lubricant is a super-clean chain lube that picks up little or no dirt. - For road bikes only

Rock-N-Roll Extreme is a very clean lubricant due to its ability to shed dirt and dust. - For mountain bike or wet road riding

Rock-N-Roll Gold lubricant is for both mountain and road bike use. The formulation goes deep down into the chain and traps any dirt. Then, with the energy of the chain freewheeling backwards, the dirt and grit floats to the surface so you can wipe it all off, leaving a new and clean application of lube inside the chain, where it's needed. - All-purpose lube - Cleans and lubricates simultaneously

Miracle Red is a 3-in-1 bio-degreaser, hand cleaner and stain remover. - 100% natural, no citrus, pumice or petroleum products - This product will float the grease out of finger prints and will remove grease from white T- shirts like a miracle

Shatterproof 1.5" convex cycling mirror with stick-on helmet mounting - Telescoping arm extends from 5 to 8 inches - Features 360° of adjustment

- Used for attaching rear racks onto mono stay bikes - Rubber coated steel for all weather durability

White Lightning's Crystal Grease is so pure and innovative, it's clear. Premium base oils allow this 100% waterproof grease to provide smooth, long-lasting lubrication and the clear color won't stain or hide damage and contaminants. And, you'll feel good knowing that it's biodegradable, non-toxic, and won't harm carbon, seals and other crucial components.

White Lightning's Epic Ride lets you take on that all day ride and hear only the birds chirping, not your chain squealing. Its unique formula features premium non-petroleum synthetics that provide unheard of durability without the grimey build-up common with synthetic oils. This versatile lube also works wonders on derailleur cables and suspension seals. And, good news for the forgetful amongst us, Epic Ride is lube-and-go, no prep or dry time required!

Enjoying a cool drink of water while you're enjoying the freedom and relaxation of riding your bike helps keep you hydrated and improve your on-road performance. For years, cycling enthusiasts have trusted CamelBak to provide them superior bottles for water that are optimized for peak performance. CamelBak Podium bike water bottle remains the best of the best in the cycling world thanks to a brand-new design that makes it easier than ever to clean. This premium bicycle water bottle has been reengineered to fit securely in a variety of bicycle bottle cages. It has been designed to squeeze easily, allowing you to take in more water per squeeze with less effort. This CamelBak reusable sports water bottle has been engineered with a high-flow, self-sealing cap, which maximizes flow rate while reducing spills and splashes. The Podium is also BPA-free. All parts are easy to separate, which makes cleaning a breeze. Our sports bottle is also visually stunning, featuring clean graphics that make for an easy match with your kit. Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product. The CamelBak Podium Bike Squeeze Water Bottle is available in several colors and pattern designs, allowing you to pick one that matches your personality. - Bicycling CamelBak Water Bottle: CamelBak Podium squeeze water bottle features a new design and is easier to clean than ever. It continues to set the standard as the best bicycle water bottle in the industry. - Optimized Cage Fit: The Podium bike squeeze bottle is engineered to fit securely in a variety of bottle cages. It's easy to squeeze, which ensures that you get more fluid intake with less effort. - High-Flow, Self-Sealing Cap: CamelBak squeeze bottles are engineered with a high-flow, self-sealing cap. This maximizes the flow rate while eliminating spills and splashes. - Easy to Clean & BPA-Free: The CamelBak Podium is the ultimate water bottle for rapid, reliable, unwavering hydration. All parts can be separated for easier cleaning, and all plastic materials are BPA-free. - If We Build It—We'll Bak It: Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product.

Long battery life combined with simple, tool-free mounting makes MSW Mouse lights a great economical pick to be seen on the road. - Simple, tool-free mounting on bars from 22.2 - 35mm - 3 lighting modes: high, low, flash - CR2032 battery included

Green Fizz's biodegradable solvent-free formula can be safely used on all parts and materials, including carbon fiber, without washing away grease and lubricants or damaging delicate parts. - Advanced plant-derived surfactants quickly remove tough dirt and grime from the whole bike - Use on the whole bike without risk of damage or washing away grease/lube from critical parts - Safe, biodegradeable, phosphate-free, solvent-free, plant-derived, and zero-VOC - Can be used with or without water

• Service kits include air can seals and wiper • Available for RockShox air rear shocks--Ario, Monarch, Monarch RT3, DebonAir and Monarch Plus

SRAM's Butter Grease is a Slickoleum lube recommended for fork bushings, Roam and Rise wheel rear hub pawls and Reverb seat post service. Keep your parts working smoothly!

Tri-Flow Superior Dry Lubricant was specifically designed to lubricate like an oil and stay clean like a wax. Its exclusive formula includes paraffin wax and high grade petroleum oil which penetrates as it quickly sets up and dries, leaving a thin, visible, coating that repels water as it lubricates. - Specifically designed for lubricating chains - Applicator is not included or needed because of the product's consistency

Everyone wears out their Park Tool work stand clamp covers at some point. Find replacement covers for yours here. Each cover is constructed of soft, durable composite rubber. See below to determine which covers fit your Park Tool stand clamp: - 1002: fits 100-3X and 100-5X extreme range clamps - 1185: fits clamps on the repair stands PCS-9, PCS-10, PCS-11, and PCS-12 - 1259: fits 100-4X, 100-6X, 100-7X, and 100-15X clamps - 1960: fits 100-3D, 100-5D, and 100-25D Professional Micro Adjust Repair Stand Clamps - 468B: fits clamps with double cable reliefs, including 100-3C, 100-5C, 100-8C, 100-8Y, and 100-9C clamps - 467B: fits clamps with single cable relief, including PRS-2 through PRS-8 (for older-style clamps, non-current) - 468G: fits PCS-1 and PCS-2 clamps with double cable reliefs (clamp models: 100-1C, 100-1CA, and 100-2C) - 467G: fits PCS-1 and PCS-2 clamps with single cable relief (for older PCS-series stands only; not for current model stands) - 466: Rubber Replacement Clamp Cover Set (fits older clamps with plastic-dipped jaws)

The SmartphoneHub transforms your bike into a fully networked eBike. The smartphone and COBI.Bike app turn the SmartphoneHub into an intelligent control center that can be used for navigation, recording activities, and connection to other. The eBike can also be ridden without a smartphone due to the integrated display in the SmartphoneHub, showing the most important riding data. - The SmartphoneHub and the COBI.Bike app connect the eBike to the digital world and allow for navigation, music streaming, fitness tracking, and integration of other services and apps such as Strava - A 1.52-inch display allowing for use without a smartphone - The COBI.Bike app gives eBikers a permanent overview of the most important training data. such as performance, cadence, and calorie consumption - The COBI.Bike app allows access to music and audiobook streaming services, such as Spotify or Audible, which can be operated by remote control - The SmartphoneHub charges phones using the eBike battery - Walk assistance function helps you push your eBike at speeds of up to 6mph

Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. The FR-5.2G has 12 splines that are approximately 23.4mm across. - Fits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings - Fits the SRAM XX1 11-speed cassettes - Also Fits Shimano disc brake lockrings - Guide pin stabilizes tool

Park's Hex Wrench Set offers all the popular Allen wrenches (1.5, 2, 2.5, 3, 4, 5 and 6mm) in a convenient fold-up unit. The tool tips are chamfered for a positive grip and the one-piece fiber-reinforced-resin handle is light, comfortable, slip resistant and 40% stronger than steel.

• Updated to fit better in the hand with a more rounded, smoother shape • The precision sized SW-7.2 fits the three most popular spoke nipple sizes on the market • Nickel plated for years of service • Designed for the home mechanic. FIts the following size spoke nipples: • .127" (3.23mm) • .130" (3.30mm) • .136" (3.45mm)

- Developed by the Boeing company for lubrication and protection of aircraft components - Dries to a thin waxy film that clings to metal for months - Law prohibits ORM-D materials from shipping by air

For a thank you from the future you Quickly and easily apply this assembly lubricant to any fastener on your bike to help prevent corrosion and seizing. Your bike (and mechanic) will thank you because we all know that a little assembly lube now can save a lot of elbow grease down the road. Product details - The anti-corrosion and anti-seizing formula is compatible with thread lockers - Precise applicator tip makes it super easy to apply - Pleasing cinnamon scent - Apply directly to any threaded fastener on the bike, usually one drop is enough - 4 fl oz (118mL) bottle is easy to use with a precise applicator tip - Keep out of reach of children and do not ingest

A versatile chain lube that provides lasting lubrication for a smooth, quiet, and efficient ride. Bontrager's proprietary chain lube is a true hybrid to ensure your chain stays clean, quiet, and efficient. The long-lasting formula lets you go longer between applications. Product details - High-performance chain lube works great in all conditions and riding styles - Proprietary formula is Trek's factory-recommended chain lube - Helps maintain clean, long-lasting, and efficient drivetrains - Pleasing berry scent - Apply after your ride and allow to dry to keep your drivetrain clean - 4 fl oz (118mL) bottle is easy to use with a precise applicator tip - Also available in 0.5g/1.9L bulk bottle for easy and economical refills - Keep out of reach of children and do not ingest

Enjoying a cool drink of water while you're enjoying the freedom and relaxation of riding your bike helps keep you hydrated and improve your on-road performance. For years, cycling enthusiasts have trusted CamelBak to provide them superior bottles for water that are optimized for peak performance. CamelBak Podium bike water bottle remains the best of the best in the cycling world thanks to a brand-new design that makes it easier than ever to clean. This premium bicycle water bottle has been reengineered to fit securely in a variety of bicycle bottle cages. It has been designed to squeeze easily, allowing you to take in more water per squeeze with less effort. This CamelBak reusable sports water bottle has been engineered with a high-flow, self-sealing cap, which maximizes flow rate while reducing spills and splashes. The Podium is also BPA-free. All parts are easy to separate, which makes cleaning a breeze. Our sports bottle is also visually stunning, featuring clean graphics that make for an easy match with your kit. Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product. The CamelBak Podium Bike Squeeze Water Bottle is available in several colors and pattern designs, allowing you to pick one that matches your personality. - Bicycling CamelBak Water Bottle: CamelBak Podium squeeze water bottle features a new design and is easier to clean than ever. It continues to set the standard as the best bicycle water bottle in the industry. - Optimized Cage Fit: The Podium bike squeeze bottle is engineered to fit securely in a variety of bottle cages. It's easy to squeeze, which ensures that you get more fluid intake with less effort. - High-Flow, Self-Sealing Cap: CamelBak squeeze bottles are engineered with a high-flow, self-sealing cap. This maximizes the flow rate while eliminating spills and splashes. - Easy to Clean & BPA-Free: The CamelBak Podium is the ultimate water bottle for rapid, reliable, unwavering hydration. All parts can be separated for easier cleaning, and all plastic materials are BPA-free. - If We Build It—We'll Bak It: Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product.

Need to give your bike some quick attention before you head out the door? Give it a quick shot of Finish Line's 1-Step Cleaner And Lubricant. It loosens and removes grime, while at the same time laying down a thin layer of low-friction lube that reduces drivetrain noise and premature component wear. Keeping your bike running smooth has never been easier!

Showroom™ Polish & Protectant with Ceramic Technology delivers maximum luster, it repels water, and prevents grime buildup. Your bike and components will stay clean for longer intervals. Showroom is safe for use on clear coat, carbon fiber, aluminum, titanium, steel, chrome, and stainless steel. Simply spray on and let sit for 10 seconds. Then wipe off with a clean rag. Due to Showroom’s proprietary formulation there is no need to pre-wash the bike. Enjoy the shine! Showroom Polish & Protectant will: - Clean frames and components without a prewash - Protect the bicycle from water and perspiration - Prevent a buildup of grit and grime - Keep your bicycle looking new

Finish Line's Stanchion Fluoro Oil drastically reduces suspension fork "stiction" to improve your fork's freedom of movement. Stanchion Fluoro Oil is pure fluoropolymer oil — so slippery it even improves the surface slip of Teflon-coated surfaces! Plus, it conditions and protects seals and O-rings to help your fork work better longer. And, you can even use it on derailleur pivots and cables.

Ultra-compact polypropylene case. Kit includes machined aluminum T-handle with combined reamer and insertion tool and five tire plugs. - Weight: 48g

- 3-In-1 Bio-degreaser, hand cleaner, and stain remover - 100% Natural, no citrus, palmas or petroleum

- Interface plates for luggage carrier rack to convert any non MIK ready carrier & non MIK ready bicycle bag to a MIK system (for use with Basil bags only) - Compatible with luggage carriers from 80 up to 150 mm - -01: carrier plate for rear racks that are not MIK ready. - -02: adapter plate for bicycle rear bags that are not MIK ready - Suitable for e-bikes - Max load: 26lbs/12kg

Add some flair and fun to kids' bikes with MSW Squeeze Horns. - Fits standard 22-26mm diameter handlebars - Approximately 3" wide

Royal Blood mineral oil is a specially formulated, low viscosity hydraulic fluid that ensures consistent performance of Magura brakes. - Doesn't absorb water - Lubricates entire braking system

Shimano Hydraulic Disc Brake Fluid - Non-corrosive mineral oil that offers excellent heat expansion properties - Mineral oil will not absorb water from the air - Not caustic and is non-toxic

- Creates a dry ceramic coating for increased durability and performance in dry condition - Excels in dry and dusty conditions - Biodegradable - Integral UV tracer dye and UV torch to aid accurate application and ensure total protection

- Frees seized parts - Disperses moisture to prevent rust and corrosion - Provides light lubrication for moving parts - Reduces metal-to-metal contact - Prevents dirt adhesion - Cuts down on friction to improve component efficiency

A worn chain shifts poorly and wears sprockets at an accelerated rate. Park Tool's Chain-Wear Indicator is a “go-no go” gauge designed to accurately indicate when a chain reaches .5% and .75%, the points at which most chain manufacturers suggest replacement. The updated CC-3.2 is longer, more accurate and features permanent measurement markings.

The Park FR-2 Freewheel Remover fits SunTour two-notch freewheels. It's built thin so that removing axle parts is unnecessary. And, it's constructed of durable heat-treated steel. (Not recommended for use with SunTour 4- and 6-notch freewheels.)

A must-have tool for any rider or mechanic who services hydraulic brakes. The PS-1 Pad Spreader features a tapered edge designed to drive apart and reset hydraulic bicycle brake pads that may have been accidentally engaged. The head of the PS-1 mimics a section of disc brake rotor, with strong stainless steel construction and a long, vinyl-dipped handle for leverage and comfort. The PS-1 can also be used as a temporary stand-in for the rotor when testing or servicing the hydraulic system, negating the need to repeatedly remove and install the wheel. - Thickness: 1.95 mm - Length: 162 mm (6.4")

Having trouble getting at internal spoke nipples? Park's Square Socket Internal Nipple Spoke Wrench comes to your rescue. The extra-long socket fits recessed nipples on most deep-section aero wheels. And, the ergonomic handle is comfortable even after you've built wheels for the entire team.

Park's Valve Core Tool is great for tightening, removing and installing Schrader and Presta valve cores (the cores are inside the valve), and also Presta valve extenders that have 5mm wrench flats. It's a handy tool to save a tube when all that's wrong is a broken valve, and it also lets you remove valves to easily insert sealant.

For BabySeat II Racks and MTX Tubular Racks (34.5 cm in length for small bike frames). - If you have a small frame bike and cannot install Topeak rack or BabySeat in recommended position (2 or 3 degrees from horizontal), please use the 34.5cm extra long mounting bracket arm for proper installation.