Universal Bicycle Repair Tool Combination Set【Applicable Scenarios】Daily maintenance of mountain bikes and road bikes【Included Tools】Spoke Wrench: Disassemble/adjust wheel spokes, compatible with sizes 10/11/12/13/14/15 (8 slots)Chain Breaker: Suitable for 8/9/10-speed and single-speed chains7-in-1 folding toolCrank puller8mm hex key + 1/4 socket3-in-1 wrench (integrated bottom bracket wrench, derailleur hanger wrench, cassette lockring wrench) 10/12 size wrench Hub wrench Sealed bottom bracket socket tool Cassette removal tool Small Phillips screwdriver Integrated crank bottom bracket tool (nylon) Tire levers (nylon) Tire repair kitl.【Features】 Complete functions: All necessary bike repair tools included Easy to use: Meets daily maintenance needs Fine craftsmanship: Precisely polished, scientific quality management system