Bontrager line 35mm stem 0 40mm rise black

Oversized 35mm clamp diameter increases strength and decreases weight; Forged from 6061-T6 3D aluminum; Laser etched placement marks to facilitate ideal adjustment angle; Compatible with conventional and Knock Block headset and spacers; The Knock Block system protects the frame from impacts due to over-rotation of the handlebars and the fork crown; Available in a wide variety of sizes; Compatible with carbon handlebars;