Cane Creek AER II Series Headset Bearing - Blue - Steel-Aluminium - 1.5 Inch - 40x52x6.5mm - 36x45 -IS52 eBay PM600 has several key attributes:

PM600 has several key attributes:

Durable and long lasting

Cons: I wish they made a version that was a meter long

360° hose for ease of use

Includes two 16g cartridges and inflator

Cane Creek AER II Series Headset Bearing - Blue - Steel-Aluminium - 1.5 Inch - 40x52x6.5mm - 36x45 -IS52 eBay PM600 has several key attributes:Genuine 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.