Thickness: 1.5mm. We are a group of young people who addict to bicycle. Weight: 69g. So all products with batteries will not contain batteries. Material: Microfiber. Thinner profile for a sleek look.
The Chain Keeper is a guide to keep your chain right where it belongs. Mounted in place of a front derailleur, the Chain Keeper works with single chain ring drivetrains using a narrow chain. Kindly peruse the detailed images carefully as they are representative of condition.