Sram XX1 Type 2.1 Rear Derailleur 11 Speed Long Cage X-Sync Black

Features
Rear Derailleur with X-Actuation ratio, engineered for SRAM 1x11-speed MTB drivetrains
Design: X-Horizon parallelogram for consistent chain gap and precise shifting across all 11 gears
Clutch System: Type-2 (T2) roller bearing clutch with one-way friction damping for chain stability and reduced noise, plus CageLock for quick wheel and chain service
Pulley System: X-Sync 12-tooth pulleys with alternating wide/narrow teeth for chain control and noise reduction, offset upper pulley for ideal chain gap

Specifications
Materials: Forged aluminum links, B-knuckle, inner cage with carbon fiber outer cage
Hardware: Titanium, aluminum, and stainless steel
Bearings: Sealed ceramic in pulleys
Compatibility: Min/Max 10–42T, capacity 32T

Mfr Claimed Weight
220g