SRAM XX1 11 Speed Cassette: Ranging from 10 to 42 teeth, the 11-speed X-DOME cassette delivers an incredibly wide gear range while maintaining even, optimized steps. The single-unit cassette combines with the XD driver body for a superior connection to the wheel. SRAM XX1: Driven by a cutting edge, single-ring carbon crank & seamless component integration, SRAM 1X drivetrain delivers flawless chain management & faster, more precise shifting. But the relationship between XX1 components goes far beyond fitment. From the X-Horizon rear derailleur with Type 2 technology to the super wide range 11 speed 10-42T cassette, each component is designed to function synergistically with the others, achieving what no other 1X drivetrain has before. 11-speeds (10-12-14-16-18-21-24-28-32-36-42) Bearing design & ratchet mechanism steadied by XD driver body Creates more stable hub connection Gear steps optimized across entire range Wheels equipped for XD driver body available from SRAM, DT Swiss & Mavic XD driver body is 6-8g lighter Weight: 260 grams Technology Highlight (s): X-Dome, XD DRIVER BODY Weight: 260 grams
Material: 4130 Chromoly Gear Ratios: 10-12-14-16-18-21-24-28-32-36-42 Speeds: 11 Speed Recommended Chain: PC-XX1 Recommended Group: XX1 Other: XD driver body compatible Compatibility: XX1 11 Speed