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Fastening with snap buttons and fastening strip
RK 520KXZ features special alloy pins with RK Special HCR Treatment (High Tech Chromium Carbide Layered Pins) for better wear resistance
Extra ventilation for nose & mouth (Micro fleece & Micro fibre only)
Up to 45° travel on inner joints
Universal easy mounting system included
Renthal Sprocket Twinring Black 50T Bi-Metal Grooved SIZE_YOUTH M Fastening with snap buttons andThe Renthal Twinring Rear Sprocket is a long lasting durable Off Road sprocket that was developed and tested over the course of 5 years. The unique flat face two piece design keeps weight to a minimum and maximizes durability all while keeping a narrow profile. The outer steel ring is expanded at 200C and then fitted to the aluminum inner before cooling, this process creates a permanent bond while flat socket set screws prevent lateral movement