Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch Peak Distro High-friction pads at the front

High-friction pads at the front of the helmet make it easy to store sunglasses while riding

The set includes adjustment knob and washer

Purpose-built for modern gravel riding

and time trial enthusiastsOffers precise power measurement with an accuracy of ±1

specifically conceived to meet the performance and ride quality demands of serious mixed surface cyclists

Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch Peak Distro High-friction pads at the frontA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 12 notch tool fittings, including Praxis Works M30. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Specifications Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4850 mm and a minor diameter (inside of notches)