RFX Pro Series Colour Anodised Alloy Rear Sprocket, Top Quality Front Sprocket & DID 415 x 120 RJ Heavy Duty Black Chain. RFX Pro Series Colour Anodised 7075 Aerospace Aluminium Rear Sprocket. RFX Rear Sprockets are CNC Machined from 7075 aerospace aluminium and feature mud clearing grooves for a longer chain and sprocket life.
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