Problem Solvers 100mm BB 2x 43.5mm Offset Direct Seat Tube Mount Adapter Black

Problem Solvers Direct Mount Adapters clamp around the seat tube to allow for the use of "high direct-mount" front derailleurs on frames with 100mm wide bottom brackets. Problem Solvers provide different offsets in the 100mm varieties to accommodate the wide range of drivetrains in fat bike set-ups.