Supersprox-stealth means longer life, without compromising weight. They last 3 times longer than an all aluminum sprocket and remain as light as possible thanks to its aluminium core and steel teeth. It?s about...
MRU series features RK?s only technology of Ultra Thin Seal, U-Rings, where the thickness of seal is less than 50% of the common seal, make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.4...