Birzman Universal Crank Puller screwdriver Versatile Allen Key Base: The

Versatile Allen Key Base: The 4mm Allen key base and slotted design ensure easy removal and compatibility with tire inserts

Ensures a good

Length: 55 cm

AS2 Pro retains its super-light and durable high-strength aluminum alloy shell from the previous version

Di2 Compatible- Yes

Birzman Universal Crank Puller screwdriver Versatile Allen Key Base: TheFeatures Features a protection ring to help prevent damages to the crank arm threads from over threading. Made up with high quality Alloy steel Magnetic adapter for use with ISIS Drive and Octalink crank arms Remove nut for use with square tapered crank arms. Use with a 15 mm wrench for better grip.