Proven by the fastest Professional Triathletes in the world, including Tim Don / Ben Hoffman / Braden Currie / Lisa Roberts / Dougal Allan, Mike Phillips, Matt Hanson, Matt Russell, and SO many more, it's no wonder why our Oversize Hyper Speed System is quickly becoming the "Go To" Oversize System on the market. Utilizing our unique 14-Tooth/18-Tooth pulley wheel combination, our Oversize Hyper Speed System is designed to provide precise and repeatable shifting along with decreased drivetrain friction. Locally produced aerospace grade carbon fiber cages, CNC machined anodized pulley wheels, and coated hybrid ceramic bearings all combine to provide the lowest friction possible along with durability that's unmatched. 
ALL SLF MOTION PARTS ARE DESIGNED, TESTED, AND BUILT BY HAND IN PAWNEE, ILLINOIS - USA