X-Fighter is compatible with disc brakes or v-brakes MTB bikes, fitting suspension or rigid forks with 16 to 35 mm interior head tube. It’s very simple and easy to install or remove the front mudguard with the brand new quick release system. The mudguard comes with 4 adapters for a better fit to the suspension or rigid forks with 16 to 35 mm interior head tube, and has an inner rubber for an increased grip. Tool less mounting system ? new QR system with a lever fastener allows you to assemble the mudguard in no time at all ? easy, quick, sturdy and efficient.