Product name: Multifunctional bicycle chain test caliper
Material: Stainless steel
Size: about 125mm/5in in length
The width is about 42mm/1.6in
Product use: chain damage measurement, chain hook, length measurement, diameter measurement
How to use: First snap the damage-measuring hook into the chain link, if the other end cannot be stuck at all, the chain is good; the 0.75 scale is stuck in, the chain has been worn, but it can still be ridden for a period of time; the 1.0 scale is stuck in the instruction The chain is also seriously worn, and it is recommended to replace it immediately.
Hook function: Use the two hooks on the back of the measuring ruler to hang the chain, which is more convenient to operate when repairing and cutting the chain, and avoids oily hands and the chain bouncing
Screw diameter measurement function: insert the screw to be measured into the hole and push it in the direction of the small hole. When the screw cannot be pushed, directly observe the number of the stop position to know the thread diameter than the single-hole measurement method, which makes it more convenient and fast for you.