CHAIN GUIDE SPECIFICATIONS: - Chain guide composed of TPU, excellent in wear resistance and restorability and duralumin plate with CNC processing. - Reduce the load on the swing arm attachment stay by using TPU material that is durable against impact and wear. - 3D design slider reduces the impact of the debris coming from all directions. - Maintains its guiding performance that requires rigidity by a duralumin plate designed exclusively for the model. * Please apply removable low to medium strength screw lock for installation. * Please check the slider wear periodically. * In the case of trail models, guiding performance is enhanced as much as racers. The abrasion speed varies depending on the number. ( Maximum number of 45 )