BOX Two Prime 9 Cassette 9 Speed 11 50t Black CheckoutTitle=SRAM 900 Front Hub 15 12 QR x 100mm Cleat Bolt Pattern 2 BoltClosure LaceColor Cleat Bolt Pattern 2 BoltClosure LaceColor Gray Black RedDefined Color GrayGender Age WomensShoe Size (US) 11Activity Cycling Direct Mount Type Direct Mount SRAM Tooth Count 34 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Steel Ring Position Type Chain Retaining Single Ring Round or Oval Round Offset 3 Chainline Hub Compatibility 141 148 Boost Hubs Box Two features hardened steel cogs pinned to aluminum spiders and an ED black finish margin right:5%