Adds or subtracts 1/2 inch (12.7 mm) links for fine-tuning chain tension
Compatible with standard 1/8 inch KMC chains, K1 wide and K1SL wide chains, and Izumi 410 Eco and Miche 1/8 track chains
Available in black and silver finishes for style and visibility
Compact design for easy storage and handling
This extremely handy little dandy will add or subtract 1/2 a link (1/2") from your chain, allowing you to move the axle 1/4" forward or backward to dial in chain tension or slam that rear wheel.
Available in two versions - black works with all standard 1/8" KMC chains (S1/Z410), silver works with K1 Wide and K1SL Wide chains.
The standard