Shimano R60 Ultegra HollowTech II Bottom Bracket - Threaded

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  • HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
  • HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability
  • Use TLFC37 or TLFC25 in conjunction with TLFC36 adaptor tool for installation and removal
  • For use with Ultegra - 105 - CX70 chainwheels