Fat Spanner Chain Wear Indicator

Chain Wear Indicator tool.

Made from precision laser cut steel you can use it to help increase the life span of your cycle drive chain.

0.75 = means nearly worn out and you should start thinking about changing your chain.

1 = your chain has reached the suggested 1% replacement point, you are advised to change your chain to avoid damage to other components.

Fits all chain sizes including 10 speed.