Product Description The Bottom Bracket Socket Dual Sides Tool is an extremely precise machined tool for installing and removing bottom brackets. Specifications:Function:bottom bracket assembly/disassemblyCompatibility:Race Face, Rotor, Zipp, FSA 386-EVO, Shimano DA-9000, XTR-BB93, 6800 Ultegra, 5800 105Drive Size:3/8"Technical Information:Material:aluminium (7075)Features:high-precision machinedaluminium-made, hard anodisedwith inner nub, which has the same size as the crank spindle - prevents the tool from lifting off the workpiecefor all external bearing shells from Campagnolo, SRAM, FSA or Shimano (old) the Bottom Bracket Socket Common Tool is recommendedModels:BSA 30 / Race Face: Compatibility: Race Face, Rotor, Zipp (12 tooth side) / FSA 386-EVO (16 tooth side) / not compatible with TorqTite, Praxis, HopeManufacturer Number: BB-Std-Socket-DS-BSA30 Dura Ace / Ultegra: Compatibility: Shimano DA-9000, XTR-BB93, 6800 Ultegra, 5800 105Manufacturer Number: BB-Std-Socket-DS-DAUltContents:1 x Manufacturer: Abbey Bike Tools 295 SW Century Dr. Suite #201 Bend OR 97702 USA info@abbeybiketools.com Distributor: MERIDA & CENTURION Germany GmbH Blumenstraße 49-51 71106 Magstadt Germany vertrieb@merida-centurion.com