【Product Name】 Bicycle Repair & Maintenance Tool 5-Piece Set with Multi-Function Tool - Chain, Gear, BB Compatible 【Product Description】 This is a bicycle repair tool set perfect for daily maintenance and puncture repair. This carefully selected 5-piece set is designed to handle adjustments to chains, tires, gears, and more, making it ideal for maintaining road bikes and mountain bikes. This highly practical tool set allows you to customize your bike for a comfortable touring experience. 【Set Contents】 ● 3-in-1 Multi-Function Wrench Can be used as a bottom bracket wrench, tail hook, and sprocket wrench. Combines the functions of a card flywheel fixing wrench, a middle shaft key, and a tail hook wrench into one tool. ● Boss Free Removal Tool (Boss Removal Tool) A dedicated tool for removing boss-free sprockets. Can be used in combination with the chain part of the 3-in-1 wrench. ● Chain Cutter Used for cutting and connecting chains. Allows you to disassemble the chain by pushing out the chain pin and adjust the chain length. Compatible with general bicycle chains. ● Crank Puller Used to separate the crank and BB (bottom bracket) axle. Attaches to the crank, and can be easily removed by screwing in the bolt with a wrench. ● Cartridge BB Tool For attaching and detaching cartridge-type bottom brackets. Ideal for daily maintenance, without damaging bicycle parts during disassembly and maintenance. 【Uses】 ・ Bicycle chain replacement/adjustment ・ Sprocket/crank/BB removal ・ Road bike/mountain bike/general bicycle maintenance ・ For pre-cycling inspections and as a portable tool □ About Shipping Shipping Method: Japan Post Delivery Days: Honshu: Next day, or the day after Okinawa, Hokkaido, Remote Islands: 2 days or more * May be delayed due to bad weather, etc. □ About Defects Please contact us before leaving a review. We will provide 100% support for initial defects. * Cancellations/returns due to customer circumstances are not accepted.