DESCRIPTION.
 
Shimano Crank Arm Fixing Bolt for Dura Ace 7900/9000 - Y1KY08000/Y1N218000
Shimano crank arm fixing bolt for assembling the left crank arm. They are made of plastic.
 
A-Type with 8.5mm thread length for cranks with 8mm inner thread length (FC-7900 and FC-9000).
 
B-Type with 16mm thread length for cranks with 13mm inner thread length (FC-9000).
 
Included in delivery: one crank arm fixing bolt
Material: Plastic.