DT Swiss Cartridge Bearing - 1728 Model=Apex 1 Crankset }Bosch Speed Sensor - Slim

}Bosch Speed Sensor - Slim 415mm the smart system Compatible

A tight and consistent 13-tooth gap between chainrings makes for accurate and dependable shifting

)Rear hub: SUNRingle SRC XD TA12x142mm 6 Bolt 3 Double tooth pawl and ratchet system 12 deg / 30 points of engagement 4x Sealed bearings Compatible with SRAM XDFully serviceable and convertible hubsAssembled in North America by experienced wheelbuilders with Sapim Race spokes (Black)

}SRAM GXP Specialized 84

DT Swiss Cartridge Bearing - 1728 Model=Apex 1 Crankset }Bosch Speed Sensor - SlimDT Swiss Cartridge Bearing 1728. Bearings for maintaining and rebuilding DT Swiss hubs. TECH SPECS Bearing I. D. (mm) 17 Manufacturer Number 1728 Bearing O. D. (mm) 28 Thickness 7