Feature

●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.

[Schwarz]

Description

Komponentengruppe: ULTEGRA, 105