AER Series II
Light As AER
Long recognized as the world’s lightest headset, the AER series offers a hybrid steel and aluminum bearing that provides even greater durability and a 35% weight savings over comparable models. Strategic machining and precision contours provide an optimal balance between weight savings and strength. The AER headset is an ideal headset choice for road and mountain bike applications- a high quality durable headset with durability and lightweight performance in mind.
AER series headsets are available at select retailers
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PRODUCT SPEC
7075 T-6 Aluminum, contoured and relieved to minimize weight and maximize strength
Aluminum crown race with integrated low-friction seal
Lightweight aluminum/ steel hybrid cartridge bearing
ZS44 will take a 41mm bearing
EC44/40 will take a 52mm bearing
EC44/33 will take a 47mm bearing
ZS56 will take a 52mm bearing
IS41 will take a 41mm bearing
IS42 will take a 42mm bearing
IS47/33 will take a 47mm bearing
IS52 will take a 52mm bearing
All complete Cane Creek AER series headset assemblies (top or bottom) will use a 36×45 degree contact angle bearing, with the exception of our IS47/33 and EC44/33 headset assemblies. IS47/33 and EC44/33 will use a 45×45 degree contact angle bearing.
IS41 Tall Cover (H15) Top BAA0956K – 40.6 gramsIS41 Short Cover (H9) Top BAA0957K – 39.2 gramsIS42 Tall Cover (H15) Top BAA2958K – 40.8 gramsIS42 Short Cover (H9) Top BAA0959K – 39.4 gramsZS44 Tall Cover (H15) Top BAA0962K – 52.4 gramsZS44 Short Cover (H8) Top BAA0961K – 49.8 gramsEC44 Bottom BAA1029K – 39.6 gramsZS56 Bottom BAA1030K – 39.4 gramsIS52 Bottom BAA1044 – 28 grams
41mm Bearing BAA0925A – 12.8 grams
42mm Bearing BAA0926A – 13 grams
47mm Bearing BAA0930A – 17.8 grams
52mm Bearing BAA0927A – 22 grams
ZeroStack (ZS) — 8mm or 15mm top, 4mm bottom, Integrated (IS) — 9mm or 15mm top, 1mm bottom
Cup-in compression ring