Bicycle Crank Bolt Set – M8, 3 Styles

Product Information:

• Available in various types: hexagonal, ordinary, rubber anti-loosening, and extended with anti-drop glue.

• Fits M8×15mm, M8×18mm, and M8×20mm lengths for versatile use.

• Made from durable 45# steel for long-lasting strength.

• Weighs approximately 13g and is suitable for square hole inner threads.