SRAM X4 Rear Bicycle Derailleurs

* High-performance rear derailleur delivering consistent, precise shifts* 1:1 actuation (SRAM shifter compatible) for intuitive, reliable shifting feel* Compatible with common multi-speed drivetrains and built to accommodate wide-range cassettes* Designed to handle substantial front chainring differences and generous total capacity for touring, commuting, and off-road use* Lightweight construction that balances durability with responsive performance* Engineered at a performance-and-value price point for riders who want dependable shifting without excess cost