Chainring bolt for 2-speed chainrings on the crank
5mm Allen drive
Thread dimensions: M8x0.75x8.5mm
Material: 7075-T6 aluminum, glossy anodized and laser-marked
Universally usable with many crank types on MTBs, racing bikes and other types of bicycles, as well as for attaching the brake disc to a Rohloff® gear hub
