Shimano TL-FC21 Counterholder for chainring bolts

Pin key for mounting and dismounting chainring bolts. The things that are just as important as the components: professional tools. Shimano tools are shaped to fit perfectly with Shimano components. The tooth profile of the receivers matches exactly that of the components, including consideration of tolerances.

• can also be used as a 9 and 10 mm open-end wrench
• 133 mm total length for better leverage
• hardened steel