02-16 HONDA CRF450R: Hammerhead Pro Rear Brake Return Kit (Black) Hammerhead Designs was launched with the intent to provide new and better parts and innovative accessories for motocross bikes. One of Hammerhead Designs' goals has been to design entirely new and unique products with improved ergonomics.Replacement spring kit for rear brake pedal return.Mounts between rear master cylinder and brake clevis to replace O.E.M. spring configuration.Cap made from CNC-machined 6061-T6 billet aluminum.Includes spring and spring cap.Note: Clevis is NOT included and is sold separately.