TuoTu 3 in 1 Bicycle Bike Chain Wear Indicator Chain Checker Tool Bolt Measurement for Mountain Bike/Folding Bicycle/Road Vehicles/MTB

• Compatible with all chains. Package includes 1pc Bike Chain Wear Indicator Tool Chain Checker
• Simple operation and high efficiency. Made of 304 stainless steel material, satin chrome plated for corrosion resistance.
• A worn chain shifts poorly and wears sprockets at an accelerated rate. 0.5％ / 0.75% / 1%, the points at which chain experts suggest replacement.It is a useful tool for quickly measuring the chain wearing degree, convenient for you to make a replacement.
• Measurement method: If the two ends of the chain checker cannot be put into the chain gap at the same time, the chain elongation is within the normal range. On the contrary, it means that the chain has been overstretched and needs to be replaced. Excessively stretched chains, if used continuously, will cause accelerated wear on the flywheel and chain wheel.
• 100% Customer Satisfaction Guarantee and friendly customer service.All issues will be solved within 24 hours. Any suggestions from our valued clients are welcome.

Name: 3 in 1 Chain checker Brand: TuoTu Model: RL305 Material: SUS304 Functions: Chain Loss checker/Chain hook /bolts measurement weigh: 35.5g Package: Hanging Card