Check the listing for details. Bicycle Crank Extractor Puller Kit Square Taper Remover Bicycle Bracket Repair. Color: Black, Silver Tone, Condition: New. Listed at 16.79 USD. Description:A good tool for bike repairmen or bike riders.The crankset puller is suitable for square tapered cranksets.This bicycle removal tool kit is compact, practical and easy to carry.The bicycle bottom bracket tool suits for 20 teeth splined type bottom bracket.Wide application, the removal tool can be used on most bicycles.Specification:Material: Carbon SteelColor: Black, Silver ToneBlack Thread Size: M22x1.0Silver Tone Thread Size: M12x1.0Crank Extractor Hex Diameter: 14mm / 0.55"(Side to Side)Crank Extractor Dimension: 78x22mm / 3.07"x0.87"(H*Max.D)Bottom Bracket Remover Square Diameter: 13mm / 0.51"(Side to Side)Bottom Bracket Remover Hole Diameter: 24mm / 0.94"Bottom Bracket Remover Size: 50x31mm / 1.97"x1.22"(H*Max.D)Installation Tips:Remove the bolt in the crank arm.