SRAM Rd Force Medium Cage 11 Speed

Features: 

• Exact Actuation™ shifting provides fast, accurate shifts.
• More clearance with 28t cassettes thanks to a longer B-knuckle.
• Silent shifting with optimized Aeroglide Pulleys™.
• Spring-fixed barrel adjuster.
• WiFLi compatibility with 32T cassettes 
• Chain pulley cage adds precise chain management. 
• Tooth pulley design with a sound damping effect for a super efficient and silent ride experience. Bottom and top pulleys benefit from this feature