Birzman Universal Crank Puller screwdriver a windproof surface and imperviousness

a windproof surface and imperviousness up to 10

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

Ensures a good

Inner pocket for quick release and accessory storage

Di2 Compatible- Yes

Birzman Universal Crank Puller screwdriver a windproof surface and imperviousnessFeatures 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.