High Quality Material: The bicycle repair tools are made of premium alloy steel, extremely strong, durable and weather resistant. Ultralight Laptop Tools - Lightweight and small size, the bicycle repair tools allow you to put them in your pocket or bag, ultra easy to carry, also perfectly suitable for 8/9/10 bicycle chains all common bicycle chains. Durable Shaft Removal Sleeve - Equipped with a 1-axis removal sleeve with an inner diameter of 0.9''/2.4cm, perfectly suitable for disassembling the 20-tooth square shaft. Value Set - With the premium crank extractor and flywheel removal sleeve, it perfectly meets your various repair needs; The bicycle crank extractor is ideal for square hole crank, and the flywheel removal sleeve has an inner diameter of 0.7''/1.9cm. Wide Application- Perfectly suitable for repairing mountain bikes, road bikes and most bicycles, very convenient and practical. Our bicycle repair tool set is made of premium steel material, durable and long-lasting. Notice * The actual color may vary slightly from the online image due to screen color settings. * Please allow slight measurement deviation for the data. Package with - 1 * Bike Chain Removal Tool -1 * Bike Crank Wheel Remover -1 * Axle Removal Sleeve -1 * Flywheel Removal Sleeve