Long recognized as the world’s lightest headset, the new AER now offers a hybrid steel and aluminum bearing that provides even greater durability and a 40% weight savings over comparable models. Strategic machining and precision contours provide an optimal balance between weight savings and strength.

The AER-Series hybrid Steel/Aluminum maintains the quality and durability our bearings are known for, while shaving 35% of the weight.

Specifications
Material: Hybrid Steel/Aluminium
Sold as a single cartridge bearing

Mfr Claimed Weight
14g (IS41)