Ritchey's latest Ergo grip features a one-sided locking mechanism with a helix core that self-tightens and distributes clamping force along the entire grip length. The dual-density rubber blend provides a comfortable and secure hold. Due to the innovative design and lightweight construction, these grips weigh only about 133 g per pair. • Intended use: MTB/Touring/Trekking, general • Weight: 133 g • Material specifications: Dual Density • Type: Screw grips • Shape: Ergo grip • Length: 133 mm.