Bontrager Rhythm Comp Mountain Bike Stem // 31.8 x 50mm x 0 Degree Knockblock

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Run 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. Get 31.8mm handlebar compatibility with your Knock Block system Also compatible with standard headsets and spacers Knock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of bars Available in a wide range of sizes for today's mountain rider Approved for carbon bars and steerer tubes Specs: Steerer Outer Diameter: 28.6mm (1 1/8") Rise: 0 Degree Length: 50mm Clamp: 31.8mm Color: Black Type: Knock Block This product is brand-new never mounted but does not include any retail packaging. It is exactly as pictured with no additional parts included. Show more