Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Bags Baskets & Packs strong and durable ALUXX-Grade Aluminum

strong and durable ALUXX-Grade Aluminum frameset

Shifters SRAM Rival eTap AXS

The all-new Little Nutty raises the bar again featuring industry safety leader MIPS in addition to being filled with protective Crumple Zone EPS foam

- Alloy spiders hold the 4 largest cogs

Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Bags Baskets & Packs strong and durable ALUXX-Grade AluminumBicycle 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