Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch JuneWahooSale With a rim profile of

With a rim profile of 45 mm and a set weight of only 1120 grams

that conventional hangers made from low grade aluminum plate will flex up to 4 degrees during a shift resulting in less precise and slower shifting

The CCW-5 removes and installs crank bolts on three-piece cranksets

precise shifting across ranges that cover road

21mm internal width maximises tyre volume for improved confidence

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch JuneWahooSale With a rim profile ofThe BBT 18 is a heavy duty investment cast tool for removing and installing components with an eight notch tool fitting, including select cartridge bottom brackets, as well as chainring lockrings on some e bike drivetrains. Specifications Installs and removes components with eight notch tool fittings, including Shimano Octalink drive side bottom bracket cups with external notches, ISIS Drive bottom bracket cups (including Truvativ and Bontrager),