SRAM DoubleTime Freehub Bearings Sealed Cartridge Bearing 63803D28 Steel Set 11.1918.003.050 Bolt Size-M8 Gain superior positioning accuracy while

Gain superior positioning accuracy while optimizing battery life

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Color Black Defined Color Black ISO Diameter 559 / 26" MTN ISO Width (mm) 56 Labeled Size 26 x 2

you can even do this at speed

SRAM DoubleTime Freehub Bearings Sealed Cartridge Bearing 63803D28 Steel Set 11.1918.003.050 Bolt Size-M8 Gain superior positioning accuracy whileSRAM Hub Bearing Set Freehub (includes 2 63803D28) For X0 Rise60 (B1) Roam 30 Roam 40 Rail 40. Original equipment sealed bearings fit many SRAM wheels and hubs. Replacement OE bearings TECH SPECS Bearing I. D. (mm) 17 Bearing O. D. (mm) 28 Material Steel Thickness 7