Cane Creek AER II Series Headset Bearing - Blue - Steel-Aluminium - 1 1-8 Inch - 30.15x41x6.5mm - 36x45 - IS41 YGroup_7033461080109 the faster you spin the

the faster you spin the harder it gets

Air release button

Only works with standard hangers

cables and derailleurs

When the computer is paired with your Android or iOS device with the free Lezyne Ally V2 app it opens up turn-by-turn navigation and phone notifications (incoming calls

Cane Creek AER II Series Headset Bearing - Blue - Steel-Aluminium - 1 1-8 Inch - 30.15x41x6.5mm - 36x45 - IS41 YGroup_7033461080109 the faster you spin theGenuine Cane Creek AER II Bearing. Made from Steel and Aluminium for the lightest possible bearing. Even though it manages to shave a whopping 35% off the weight of a standard bearing, it still maintains the quality and durability that Cane Creek bearings have become known for. The best part is, these are cross compatible between all of Cane Creek's other headsets! So you can upgrade your Ten, Forty or 110 series headset to have AER II bearings.