ONXVE 3-in-1 Chain Checker

ONXVE 3-in-1 Chain Checker allows you to check your chain wear, preventing damage to your sprocket. It also improves your chain shifting experience. The chain wear indicator allows you to check the bicycle chain wear easily. If the chain checker shows wear above 0.75%, you are recommended to change a chain. If it shows above 1%, you are advised to change the chain immediately.

Additionally, the ONXVE 3-in-1 Chain Checker allows you measure your screw size with the built in M3, M4, M5 and M6 screw size measurement. You can easily find the right fitting screws with this chain checker while repairing your bike.

In addition to checking your chain wear, the 3-in-1 checker can be used as a chain hook for you to easily hook together the bicycle chain for repair work and linking.

SPECIFICATIONS

Supported Chains: 5 to 12 speed
Dimensions: See photo
Usage: Check chain wear, measure screw size, chain hook