SRAM Hub Bearing Set Rear includes 1-6903 & 1-63803D28 For X0/Rise 60 B1/Roam 30/Roam 40/Rail 40 front/rear-front AXS™ enabled allowing for customization

AXS™ enabled allowing for customization to an individual rider’s liking via the AXS™ Mobile App

This ensures optimal ergonomic power transmission

Disc IS 6-bolt Hub Model I9 101 Rim Material Aluminum Rim Model Enduro S Spoke Type Stainless Rim Internal Width 30

1 chest pocket for gear you need to have quick access to while riding

Vibration resistant due to a special pivot

SRAM Hub Bearing Set Rear includes 1-6903 & 1-63803D28 For X0/Rise 60 B1/Roam 30/Roam 40/Rail 40 front/rear-front AXS™ enabled allowing for customizationSRAM Hub Bearing Set Rear (includes 1 6903 & 1 63803D28) For X0 Rise 60 (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) 30 Bearing O. D. (mm) 28 Material Steel Thickness 7