Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch JuneWahooSale 21mm internal width maximises tyre

21mm internal width maximises tyre volume for improved confidence

When greasing the bearings

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

precise shifting across ranges that cover road

Offering abrasion resistance

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch JuneWahooSale 21mm internal width maximises tyreThe 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),