1. High elasticity 90A hardness Bushing . Selection of environmentally friendly materials polyurethane
2. Each group sets PU bushing are free gifts a pair of 16mm pivot bushing (16mm pivot bushing x 2pcs)
3. The new PU, please don't too tight. Easily, because of their own to PU twist too tight, lead to burst, do not belong to quality problems
4. In the production process, there will be a little bubble generated, which does not belong to the quality problem, does not affect the performance and use