Features: brand new and high quality PREMIUM MATERIALS: Bicycle bearing press kit is constructed of aluminum alloy and stainless steel, very durable. PREFERRED BICYCLE TOOL: Bicycle removal tool is a great installation and removal tool kit for your bike bottom bracket. INSTALLING FOR MOST MODELS: The bottom bracket remover is suitable for removing. Tools:for traditional specifications of bottom support tools, no need for support tools specific sram lever. Compatibility:It is possible to dismount almost all common hollow bolt shaft bearings and bb86, bb30, bb9, bb92, etc. Specifications: Product Name: Threaded/Press-in Type Bottom Shaft Removal Tool Material: Handle: Aluminum Alloy Aperture Disassembly Piece: Stainless Steel Type:24mm/ 30mm/ 24mm+30mm Package Includes: 1 Set x Bicycle Removal Tool. note: The 24mm center shaft hole is suitable for dismantling shiman0bb71. Bb91,there are bb86,bb91/92 specifications of the central axis, Shiman0,the original bb86 of sram, Bb71,bb91,bb92,for trek bb90 The center shaft can be removed Individual shaft specifications are special (such as for fsa's bb86 axis,first,token bb86 axis), Maybe not disassembled, Need to buy 24+30MM shaft hole clearance 30mm center shaft hole is suitable for disassembly bb30,bb3024, Pf30,pf3024,bb386,bbright and other specifications of the central axis, Some sram,for fsa,gineyea brands.