SuperB 2 N 1 Chain Checker & Chain Hook bottlecages Slim Fit closely and precisely

Slim Fit closely and precisely conforms to the curves of the body

The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability

Fits all mountain bikes with standard 1 1⁄8 steerers (10mm stem clearance required)

Thanks to the use of a mesh with hexagonal cells and a reticular design

SuperB 2 N 1 Chain Checker & Chain Hook bottlecages Slim Fit closely and preciselyCompatible with all bicycle chains from single speed to 12 speed. Precision chain checker. Quickly and accurately indicates the wear and stretch of the chain. Laser cut and made of stainless steel. When chain is between 0. 75% and 1% worn, a replacement is suggested. Chain hook is a must for you to assemble or break the chain.