Wisamic Bicycle Rest Handlebar Bar Bike Aluminum Alloy Relaxation Rest Handlebar for Moutain Bike or Road Bike High quality aluminum alloy, more durable Easy and fast installation for used right away. Size: 37 x 30 x 10cm(14.5 x 11.8 x 3.93"/in) T-shape handle bar for your arms' resting. Used for road bikes, long-distance mountain travel bikes, etc. Clamps have a minimum diameter of 22.6mm (with shim) and a maximum diameter of 25.4mm(0.89-1.0" /in)