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The new BSD disc comes with a Guard to withstand impacts from Grinds or even to grind with the disc! Made from 7075 T5 aluminum on a CNC machine, it is anodized so it doesn't fade from chain friction. Its thickness is 8mm to prevent bending. It fits all cranks regardless of spindle thickness.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.