Rhythm Comp Knock Block Stem-No Packaging

Bontrager Rhythm Comp Knock Block Stem-No Packaging31.8mm of durable controlRun your favorite 31.8mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31.8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine-tune the fit to your ride.Part# W565234 (31.8/50mm)Product detailsGet 31.8mm handlebar compatibility with your Knock Block systemAlso compatible with standard headsets and spacersKnock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of barsAvailable in a wide range of sizes for today's mountain riderSee Service Parts for other Knock Block partsApproved for carbon bars and steerer tubes