Specification:
Material: Aluminum alloy
Color: Gold， Red， Black， Silver， Blue
Size:
Cover diameter: About 25MM
Total height: About 12 mm

Thread Diameter: About 19.8MM
Thread Height: About 9MM

Description:
This Crank Arm Fixing Bolt is an ideal replacment for SHIMANO standard arm bolt.

Colorful style， suitable for personality modificine.

Please using 10mm Allen wrench to install.

Package Includes:

1 x Bicycle Crank Arm Fixing Bolt