The tilt clamp with SCS compression system comes with Shimano so it is compatible with most bars. Details height: 1-7/8 inches (approx. 75 mm) Material: 6061-T6 Aluminum Light Hollow Screws Clamp Inner Diameter: 32mm (Regular), 35mm (Oversized) Clamp Size: Quad Weight: 251g Compression System Included: SCS Starnut: Not Included Compression Screw: Included Compression Screw Length: 30mm