Hubs

- Bearing/Spacer upgrade for greater durability on M1-121, M1-221, and M1-321 Hubs - Includes 2 bearings, 1 sleeve and 1 bearing adjuster - Note: does not fit M1-120 Or M1-220 Hubs

For optimum wheel strength and reliability, Shimano's Dura-Ace Front Hub is made of cold-forged aluminum with an oversize shell, sturdy flanges and a 15mm internal axle. Inside, diamond-polished bearing races and stainless-steel ball bearings minimize rolling resistance, while high-tech seals keep out water and dirt for maximum durability. This hub also features tool-free bearing adjustment for easy maintenance plus a light and sturdy aluminum/steel quick-release skewer.

For optimum wheel strength and reliability, Shimano's Dura-Ace Rear Freehub is made of cold-forged aluminum with an oversize shell, sturdy flanges, a titanium freewheel body and a 15mm internal axle. Inside, diamond-polished bearing races and stainless-steel ball bearings minimize rolling resistance, while high-tech seals keep out water and dirt for maximum durability. This hub also features tool-free bearing adjustment for easy maintenance, plus a light and strong aluminum/steel quick-release skewer.

- Series: SLX - HB-M7000 - Axle Type: QR - Axle Length: 100 - Axle Diameter: 17.5 - HB-M7010 - Axle Type: 15mm E-Thru - Axle Length: 100 - Axle Diameter: 14 - Spoke Holes: 32H - Spoke Hole Circle: 44/44 - Average Weight: 189g

The DT Swiss 240s road hub hits the sweet spot between light weight and reliability. On the winning end of countless Grand Tour stages and local races alike, these hubs will roll for thousands of nearly frictionless miles.

- Series: SLX - Disc Rotor Mount: Center Lock Disc - FH-M7000 - Axle Type: QR / thru-axle - Over Locknut: 135 - Axle Diameter: 10 - FH-M7010 - Axle Type: 12mm thru-axle - Over Locknut: 142 - Axle Diameter: 12mm - Spoke Holes: 32H - Spoke Hole Circle: 55/61 - Average Weight: 384g

The Shimano HB-RS470 front disc brake hub features a Center Lock design, Internal Grease Sleeve, and Cup and Cone Bearing technology. - The Center Lock system makes for easy rotor installation with a quick and secure spline mount and lock ring - Hub features internal o-rings and a grease sleeve that helps maintain grease levels and increases service life