Description of COOLWHEEL Bicycle Chain Checker Indicator
PREMIUM QUALITY - This chain checker is made of stainless steel material,polished surface for skid-resistant.Featured with high hardness, wearable and durable, high precision for accurate indication. PORTABLE TO CARRY - The small size but durable bicycle chain indicator,which compatible with all chains.You can carry with it with you anywhere. MEASURING TOOL - Chain will be wear sprockets at an accelerated rate after long-time riding,this 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 inserted into the chain gap in 0.75% and 1% size, the chain elongation is within the normal range. Otherwise, it means that the chain has been overstretched and needs to be replaced. MULTIPLE FUNCTIONS - The multifuntional bicycle chain tool not only can be used as bike chain wear indicator, but also as a chain hook and bolt measurement tool for disassembly and assembly of nuts, valve cores and extension rods.