Birzman Universal Crank Puller screwdriver a windproof surface and imperviousness

a windproof surface and imperviousness up to 10

Di2 Compatible- Yes

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

designed to perform from rolling hills to high alpine passes

Rubber strap mount for seatpost or stays

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.