Feature:1. High quality steel is stable and durable, help you save energy, use with wrench, suitable for mountain bike crankshaft, for disassemble crankshaft, easy to operate, very suitable for maintenance.2. chain disassembler, hook lock tool and bottom bracket assembly tool in one, multi‑functional 3 in 1 wrench, used to remove and install the flywheel and shaft.3. Crank puller removal used to remove chain rings and cranks, good for conical crank sets, combined with a wrench to remove the crank unplug tool, bottom bracket remover with 20 teeth used for remove the bottom bracket of the bicycle.4. The chain cutter is compact, portable, is specially designed for removing and installing chain bolts, flywheel remover can also be used to tighten screw‑on flywheels, suitable for 8, 9 and 10 speed cassettes.5. Our bike chain tire repair kit is available for all types of bikes, including mountain bikes, road bikes, foldable bikes, children's bikes or regular everyday bikes, easy to carry.Specification:Condition: 100% Brand NewItem Type: Chain Wheel Tool KitMaterial: SteelColor: As Picture ShownChain Spanner Length: Approx. 20cm/7.9inHex Wrench Length: Approx. 15.6cm/6.1inChain Cutter Length: Approx. 8cm/3.1inChain Cutter Width: Approx. 7.3cm/2.9inBottom Bracket Remover Length: Approx. 5cm/2.0inBottom Bracket Remover Width: Approx. 3cm/1.2inCrank Puller Removal Length: Approx. 7.8cm/3.1inRotary Flywheel Remover Length: Approx. 2.6cm/1.0inRotary Flywheel Remover Width: Approx. 2.3cm/0.9inWeight: Approx. 670.0g/23.6ozSuitable for: Mountain bikes, road bikes and other types of bikesP