SRAM 900 Rear Hub 28H 6-Bolt Disc Black, XDR 11/12 Speed 27.8mm Driver Body A1 chain-lock 6 Stack Height 40

6 Stack Height 40

Spoke length should be reduced by 1 mm when using DT Swiss 16mm nipples

Barrel: Aluminum

Half-waffle for added grip security

SRAM 900 Rear Hub 28H 6-Bolt Disc Black, XDR 11/12 Speed 27.8mm Driver Body A1 chain-lock 6 Stack Height 40900 Rear Hub Durable Double Time four pawl mechanism offers quick engagement 1. 8 mm spacer is included for use with XD cassettes Sealed cartridge bearings Angled flanges provide optimum spoke geometry Axle end caps for alternate frame specs are included (except for Boost hubs) and can be swapped without tools Item Specifications Bearing Type Sealed Cartridge Cassette Body Type SRAM XD Cassette Body Type SRAM XDR Center to Flange, Left 34. 25 Center