High quality aluminum alloy, more durable Comes with bonus fade resistance and water resistance handlebar tape which makes the rest handlebar more stable. Good stable anti-slip and water absorption properties, touch comfortable. Adjustable arm-rests could adapt to different use condition,Sponge cushion can be removed to clean. With ergonomic design, used to relax under a good road conditions in the long-distance cycling.Fits handlebar diameter 220mm-318mm. If you find your bike handlebar is too small to install this product, please add the handlebar tape coming with the product. Wide application: Suitable for Road Bikes, MTB, Triathlon, long- distance travel bikes, etc. Easy to install, with complete set.