The Bontrager Line Pro 35 0-Degree Stem is an oversized 35mm stem that is lightweight & durable for the burliest mountain bike riders. Lets you run 35mm bars for extra stiffness & confidence into corners with minimal weight. Forged from 6061-T6 3D aluminium, this finely stem provides the increased strength of the latest mountain-specific bar diameter at the lightest weight possible. Features A pro-level quality stem in an oversized 3.5cm clamp diameter for increased strength & minimal weight Forged from 6061-T6 3D aluminium Laser-etched calibration marks make dialling in the perfect angle simple & repeatable Compatible with both Knock Block & standard head sets & spacers The Knock Block system protects the frame from impacts by fork & handlebars by eliminating over-rotation of bars The high-strength corrosion-resistant steel bolts ensure the freshest look for longer Available in a wide range of sizes for todays mountain rider Safe for carbon bars