

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)
Cane Creek AER Replacement Bearings
This is a "Final Sale" item and cannot be exchanged or returned for incorrect choice. Please choose carefully.
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)
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