Bontrager Rhythm Comp KnockBlock Stem – No Packaging

A reliable 31.8 mm aluminium MTB stem available in multiple lengths to fit your bike.<br /> - Get 31.8 mm handlebar compatibility with your Knock Block system<br /> - Also compatible with standard headsets and spacers Also compatible with standard headsets and spacers<br /> - The Knock Block system protects the frame from impacts by fork and handlebars by eliminating over-rotation of bars Knock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of bars<br /> - Available in a wide range of sizes for today's mountain rider Available in a wide range of sizes for today's mountain rider<br /> - See Service Parts for other Knock Block parts See Service Parts for other Knock Block parts<br /> - Approved for carbon bars and steerer tubes