1Fine tuning brake, quickly adjust brake force, gate lines precise and smoothly durable, easy twisting adjust left and right. 2Expansion knob, distance between brake handle and handlebar can adjusted, adapt to different sizes of hand, screw tightening handle spacing smaller, otherwise bigger. 3Universal installation interface diameter, suitable for most of the interface diameter handlebars on the market, high applicability, using double circle dual hex screw locking. 4Made of high quality aluminium alloy material, sturdy, durable and long service life. 5Small size and lightweight, easy to install and operate, convenient to use. Condition: 100% Item Type: Bicycle Brake Handle Material: Aluminium Alloy Optional Color: Black Silver, Black Red, All Black Suitable: for Most Bike Models on Market Quantity: A Pair Weight: Approx. 128g Size: Approx. 11.5x9.5cm/4.53x3.74inch 1 x Pair ofBicycle Brake Handle