Xpedo Mountain Force Magnesium/Titanium Clipless Pedals MF-4A Tension adjustable: Index to have 16 positions of adjustability 2 cartridge/1 sealed bearing Shimano compatible SPD cleat Basic platform allows use with either clipless or sporting shoes Ti Axle weight restriction! Xpedo recommends a 175 pound rider wieght limit for the Mag/Ti (PD4103) and the Ti/Ti (PD4104)