Home Products Bolts & Pulley Wheels P/No: L-151: Bolts for Chainring L-151 P/No: L-151: Bolts for Chainring Bolts for ChainringP/N: L-151Bolt set for two pc chain wheelMaterial: Alloy 7075 M8xP 0.75Bolt: 6.5mm (Hex6mm)Nut: 5.5mm use flat wrench 941138