Bicycle chain ruler road folding bicycle mountain bike chain wear replacement detection rail tool

Applicable chain wear measurement, convenient and simple can take the chain after application of the elongated range, generally in 0.75 can consider changing the chain, more than 1% recommended changing the chain

Measurement method: if the two ends of the measuring ruler can not be put into the chain gap, the chain tension is within the normal range;

If the entire measuring gauge ends can be easily put into the chain gap, it means that the stretched chain should be replaced.

Stretched chain, if continued to use will be flywheel and cone caused accelerated wear

Size: 14*4.8

Weight: 50g

Specification:

• a worn chain shifts poorly and wears sprockets at an accelerated rate. 0.75% and 1%, the points at which chain experts suggest replacement.

• Easy to use

• Made of stainless steel material

• Compatible with all chains

• Size: approx. 14cm x 4.8cm/ 5.51' x 1.89'(LxW)

Package Included:

• 1pc x bicycle chain checker