The overall power savings of the OSPW System for SRAM Mechanical reach 40%-60%, or more in some cases, over a stock setup.
The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market.
This specific SRAM Mechanical version of the Oversized Pulley Wheel System is only compatible with the following mechanical rear derailleurs; SRAM Red and SRAM Force - 10 and 11 speed.
The OSPW system for SRAM mechanical derailluers is compatible with both short cage & WiFli derailleur bodies.
The OSPW System for SRAM fits up to 32-tooth cassettes.