YSANAM Bicycle Chain Measuring Ruler Bike Chain Checker Wear Indicator Gauge Repair Tool

This useful chain checker can quickly measure the chain wearing degree, convenient for you to make a replacement.

• Made of high quality stainless steel material, durable and long service
• Mini in size and light in weight, easy to use and carry
• Practical tool for quickly measuring the chain wearing degree, convenient for you to make a replacement
• If the ruler cannot be inserted into the chain gap in 0.75% and 1% size, the chain works normally. Otherwise, it means that the chain needs to be replaced
• It is not only a bike chain checker but also a chain hook, compatible with all chains

Specifications:

• Material: Stainless steel
• Size: 12.5 * 5cm / 4.9 * 2in
• Weight: 37g / 1.3oz