Description
Box Steel Chainring Bolts 6.5mm and 8.5mm
Box Steel Chainring Bolts set of 15pcs. Stronger but hevier than aluminum. For BMX Mainly.
Box One™ Chainring Bolt kits include five 8.5-mm front bolts, five 6-mm front bolts, and five 5-mm rear nuts so they will fit just about any chainring/crank combination, including chainrings and cranks with threaded holes.