Introducing one of the lightest seatpost clamps in the world! Simple and streamlined design allows for powerful clamping power and ultra light weight. Full Carbon Fiber Clamp with Alloy inserts & Titanium bolt M5 Titanium Bolt- 4mm wrench Actual Weight: 34.9mm:10g, 31.8mm:9g OMNI Racer is small young U.S. company with a passion for cycling and dedicated to bringing cyclists some of the most innovative, lightweight, and high quality cycling components to riders that seek only the lightest and best quality products. OMNI Racer's products are engineered to optimize the best structural properties of carbon fiber and high strength alloys, creating components at extremely low weights.