MCS Chromoly Chainring Bolts deliver versatile compatibility for single and double chainring setups. Built from durable chromoly material, these bolts feature a distinctive laser-etched MCS logo and come in a complete assortment: five 8.5mm front bolts, five 6.5mm front bolts, and five 4mm rear bolts—everything you need for a full chainring rebuild or replacement.
Set Includes:
- (5) 8.5mm front
- (5) 6.5mm front
- (5) 4mm rear
Color: Black
