December 17, 2013
Easy to use
lets you know when your chain needs to be replaced
Requires me to remember to check my chain stretch
I quickly learned the problem of letting a chain stretch too far. Quickly, costs went from just the chain, to cassette, and then middle chain ring.
Stay on top of all your drivetrain with this simple tool and extend the life of your gears by replacing the chain when it starts to show signs of .75% stretch.