CeramicSpeed T47/68 Threaded BB Alpha Gravel SRAM Black CheckoutTitle=Ergon GD1 Evo Factory Slim Grips - Frozen Stealth Multi-level cushioning at the top

Multi-level cushioning at the top maximum finger grip zone at the bottom

keeping your chain and cogs clear and moving smoother for longer

with an additional possibility to control radial symmetry in relation to the hub

but also prevent facial injuries

Color Black Flat Protection Sidewall TPI 120 Weight 601 Defined Color Black ISO Width (mm) 56 ISO Diameter 584 / 650b / 27

CeramicSpeed T47/68 Threaded BB Alpha Gravel SRAM Black CheckoutTitle=Ergon GD1 Evo Factory Slim Grips - Frozen Stealth Multi-level cushioning at the topSave watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime Covered by a lifetime warranty Developed to improve upon the original CeramicSpeed BB, with every design element isolated, analyzed, and refinedeach part carefully evaluated for opportunities to increase performance 10% lighter DUB specific cups for right setup with less spacers Stainless steel races for longer durability Refined light