Shimano Ultegra BBR60 Bottom Bracket

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Shimano Ultegra BBR60 Bottom Bracket HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTe ch 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 Show more