Ergonomic Design: This handlebar is very comfortable to minimize your hand fatigue and reduce vibration while riding. [Comfortable grip]: The most natural TRP rubber material is used, with comfortable grip, good wear resistance, shock-absorbing meat ball design, reducing vibration when riding. BEST FOR BIKES: Fits all bicycle handlebars with standard diameter between 2-2.5cm, special size grip options can accommodate grip shifters. Product Size: 1. Bicycle horn handle cover: 13.5*4.5*3cm, suitable for handlebars between 2-2.5cm, features: 180 adjustable vice handle, anti-slip particles, aluminum alloy lock. 2. Bicycle meat ball vice handle: 13*4.5*2.2cm, suitable for handlebars between 2-2.5cm, features: non-slip particles, aluminum alloy lock, comfortable grip. SAFE AND EASY TO CONTROL: The bike is locked on both sides, effectively preventing slipping. The bicycle handlebar is one-piece, stable and durable, and easy to ride. Both sides lock: There are two screws on both sides of the handlebar. Locking design on both sides, durable and not easy to fall off.