Bottom Bracket Remover, Teeth: 12 teeth, Material: carbon steel, Shape: 6-pin screw shapedFit for any other brand splined bottom bracketSuitable for any 20 teeth splined type bottom bracket -generally the type used for any bikeThe tool can be used with either a 24mm socket, wrench or an adjustable spannerTo remove multiple-freewheels and other tower wheels of mountain bikes and road bikesBike Chain BreakerFirm and durable.Small & compact chain tool, it can be carried anywhere.Double driving pin for easy chain breaking.Specially designed to remove and install chain pins.A grip for comfortable handling.Fits common bicycle chains of 8/9/10 speed, Works for all common bicycle chains.Crank ExtractorColor: Black & silverySuitable for square tapered crank setsExtended ejector for removing chain-rings and crankEasy to install and use.Universal bike crank puller.It is Perfect for any home bike mechanic.A necessary tool for outdoor bikingPractical and more convenient. Helps you get out of troubles fastYou just need an adjustable spanner or a 5/8 or 16mm spanner, then: Remove the bolt in the crank armScrew the lower black part of the tool into the crank until tightScrew in and continue to tighten the silver piece of the tool until the crank starts to moveSize (approx.): 3 * 5cm / 1.2 * 2.0in (D * H)Easy to carry and store.A must have tool for cycle enthusiasts.Adopt high hardness carbon steel, nickel plated surface treatment, very durable.Bicycle bottom bracket remove tool, with 20 teeth, used to disassemble bike bottom bracket.Package Included: 1 x Bike Chain Breaker1 x Bottom Bracket Remover1 x Crank Extractor1 x Bottom Crank Bracket Removal ToolNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.