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...
Protection exceeding the norms EN1621-1 level 1General construction in ventilated meshFlexible shell D3O for maximum comfortVelcro for a perfect fitFoam pads on sides"
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