The engineered foam insert mounts inside a mountain bike tyre and divides the inner volume of the tyre in half

If you need to measure spoke length

crank bolts

improved ergonomics

Fox Speedframe Pro Helmet - S - Klif Dark Vintage PLP|Colour The engineered foam insert mountsPart of Greg Minnaar's signature trail collection, with subtle nods to his victories and achievements throughout his career. The Speedframe Pro Helmet earned Virginia Techs best rating (5 STARS) in its Bicycle Helmet Ratings program. Designed with input from our pro mountain bike athletes, this top tier open face mountain bike helmet offers a market leading feature set. Mips equipped Virginia Tech 5 star helmet rating Goggle compatible, 3 position