SRAM 900 28 12mmTA XD XDR BLACK BOOST 11-12s

SRAM

$224.00

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Double Time four pawl internal mechanism ensures rapid lightning-fast engagement for quick and confident pedal responsiveness
Speedball bearings provide smooth, long-lasting rotation performance
Available in 28 and 32 hole configurations with XD or Cassette driver
3D forged and machined for low weight and high strength
Boost variant is 12mm Thru axle only