Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell Waterproof lightweight material and sealed

Waterproof lightweight material and sealed zip for maximum cross country skiing enjoyment even in untracked terrain

The most thermally efficient synthetic insulation available

Top zippered lid compartment for storing small essentials

Handy info blocks give a quick snapshot of each hike: best season

Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell Waterproof lightweight material and sealedBicycle bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT 9 is used to remove and install select threaded bottom brackets with 16 notch tool fittings, including Shimano, SRAM GXP, Chris King, Campagnolo, and many others. This tool fitting is also found on some disc brake rotor lockrings. Additionally, the BBT 9 includes a tool that removes and installation of 8 point Shimano Hollowtech II crank arm