Hope rs4 c lock disc rear road hubhopes reputation continues to grow internationally they have achieved global recognition due to the high quality products they offer to the market this rs4 c lock disc rear road hub is durable serviceable and versatile the hub shell is made from t 6 aluminium billet and is paired with stainless steel cartridge bearings for durability and easy servicing when the time eventually comes featuring 44 point engagement reduced drag ratchet mechanism and a two