Park Tool BBT-27.3 Bottom Bracket Tool - 16-Notch 49 mm OD MAAP The Pro Speed Sensor is

The Pro Speed Sensor is a super compact and lightweight magnetless cycling speed sensor built from translucent Composite Matrix construction with an LED indicator

and the direct mount X-SYNC chainring is aero and incredibly long-lasting

Tecnology QCK-Tech™ (Quick Tech)

All Road or Endurance

Less effort is needed to shift owing to the split front connecting rod

Park Tool BBT-27.3 Bottom Bracket Tool - 16-Notch 49 mm OD MAAP The Pro Speed Sensor isA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 16 notch tool fittings, including FSA MegaEvo, Wheels Manufacturing T47, & Wheels Manufacturing PF30. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Specifications Fits 16 notch threaded bottom bracket tool fittings with a major diameter (outside of notches)