SRAM Hub RR 900 28 12mmTA 11s Cas BK Boost 1.85mm Spacer (SKU 370482)

SRAM 900 Boost rear hubs are 3D forged and machined for low weight and high strength. The Double Time four pawl mechanism gives rapid engagement for quick and confident pedal responsiveness, and Speedball bearings provide smooth, long-lasting rotation. Choose 28 or 32 holes with an XD or cassette driver. Boost versions are 12mm thru axle only. Black.

Features

• 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

Specifications