Features: Make from plastic materials, it have a strong structure and durability, which can stable support the Computer and maintain accurate position. Accommodates handlebar diameters from 25-45mm/0.98-1.77inch, ensuring a comfortable suitable for most bicycles. Base can easily and quickly attach to the bicycles without the need for additional tool or complex installation step. Easily adjust your cycling computer with a 360 degree rotating mount, ensuring perfect viewing angles. The Bike accessories are light weight and compacts, easy to carry and store, and convenient to use in different Cycling conditions. Specifications: Materials: Plastic Base size: about 3.6x4.6cm/1.42x1.81inch Fixed strap size: about 2.4x10.50cm/0.94x4.13inch Package Includes: 1pc Bike Computer Mount note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.