The oversized 35 mm clamp diameter offers increased strength and minimal weight. 6061-T6, 3D, forged alloy construction. Laser-etched calibration marks make dialling in the perfect angle simple and repeatable. Compatible with both Knock Block and standard head sets and spacers. Knock Block system protects frame from impacts from over-rotation of bars and fork crown. Available in a wide range of sizes for today's mountain rider. High-strength, corrosion-resistant steel bolts. Approved for carbon bars.