The Bontrager Kovee Pro Blendr Stem is Strong, light & capable. The Kovee Pro 35 stem is the perfect centrepiece for a cross-country race mountain bike. This lightweight stem is optimised for the latest XC mountain bike standard, with a 35mm clamp diameter that combines with 35mm handlebars to provide a stronger, lighter system. The Kovee Pro Blendr Stem is Blendr compatible so you can securely attach lights, computers or cameras. Features The oversized 3.5cm clamp diameter offers increased strength & minimal weight 6061-T6, 3D, forged alloy construction Laser-etched calibration marks make dialling in the perfect angle simple & repeatable Compatible with both Knock Block & standard head sets & spacers Knock Block system protects frame from impacts from over-rotation of bars & fork crown Available in a wide range of sizes for todays mountain rider High-strength, corrosion-resistant steel bolts Approved for carbon bars