As a damper supplier in lots of different championship, Bos couldn’t forget Quads.. A specific version of the CR40 is especially developed and tested in competition by Jérémie Warnia, also factory team Gas Gas, the EMP, and this year the official French Polaris. The range of Quad damper now covers a lot of different model with the CR40 build on 3 ways with hydraulic bump stop but also in Evo version less expensive. Almost all the competition Quads of the market can be equipped on Bos. As all the Bos dampers, the Quad ones are build with there own specific setting following the validation on the dynometer.