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

The redesign takes sleek to a new level

With lever options for both flat bars and drop bars

HANDLE: Plastic

Durable 4-way stretch material for great comfort

Fox Speedframe Pro Helmet - L - Defy - Pewter PLP|EMTB Optimised 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