AeroGlide Pulleysâ„¢ New tooth pulley design with a sound damping effect for a super efficient and silent ride experience. Bottom and top pulleys benefit from this feature. Exact Actuationâ„¢ When we launched our road technology from scratch we reapplied our MTB proven SRAM 1:1 actuation ratio (shifter cable travel : dérailleur movement) for 10 speed rear shifting. EA helps to simplify/stabilize the uneasy act of balancing rear dérailleur hanger design, tight cog spacing and exact cable tension. The result: the easiest index shifting system to set up and it stays that way….
– SRAM Rival 22 Short Cage 11 Speed Rear Derailleur Rear Derailleurs – £34.99 (RRP – £)
