M8 Hexagon Hex Head Bicycle Crank Bolts 

• Size: 8mm x 15mm
• Material: Stainless Steel 
• Recommended Torque: 40 N.m (Newton Meter)
• Crank arms photos are for reference only
• Forest Byke Company Packaging

Please note: If you crank arm came off. You will need to replace the crank arm if the square is now oval. As the crank arm will eventually push the new crank bolts out.