Bicycle chain test caliper road folding bicycle mountain bike chain wear replacement detection track tool

Bicycle chain test caliper road folding bicycle mountain bike chain wear replacement detection track tool

Four in One Function:

1. Chain loss measurement function

2.Chain hook function

It is more convenient to operate and avoids greasy hands and chain bounce.

Use the two hooks on the back of the measuring ruler to hang the chain when repairing the chain.

3. Length measurement function

Use the laser scale on the lower part of the measuring ruler to measure 1-10 cm in length

4. Screw diameter measurement function

Insert the screw to be measured into the hole and push it in the direction of the small hole.

When it cannot be pushed, you can know the thread diameter by directly observing the number at the stop position.

It is more convenient and faster than the single hole measurement method.