An evolution of the original, now exceeding the ISO Race standard Fits SRAM/Brose motors as well as Gen2 Specialized Turbo Levo SL (2023+). Will not work with 1st gen Turbo Levo SL Low profile crank arm reduces pedal strike during technical punchy climbs, allowing you to clean more sections of trail and get back up to take another lap with less effort Q Factor: 182mm when installed on Shimano EP8 Weight: 440g