40 Series Tapered Assembly ZS44/28.6/H8|EC44/30 BLACK (BAA0719K)

Allows the use of a ZS44/28.6 (1 1/8") upper with an external EC44 lower. This version comes with the 52/30 lower crown race to allow the use of a straight steerer fork.

(swapping to a tapered fork down the track is made easier with the purchase of a regular 52/40 crown race)

Cane Creek’s 40-Series sets the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset.

We make it easier, by developing consistent graphics, interchangeable parts and over 40 con?gurations to meet almost every size need. Sold in straight and tapered assemblies or tops & bottoms, tops are available in either short (9mm) or tall (15mm) stack height bearing covers, Cane Creek’s 40-Series offers the largest ?tment range of any headset line on the market. Precision engineered by Cane Creek in Fletcher, NC.

NEW! The new ZN40 bearings are a zinc-coated, machined steel cartridge bearing with hardened steel balls. The new material is much more corrosion-resistant, which vastly increases the longevity of the 40 series headsets.

Specs

Cups and Covers	6061 T-6 Aluminum Internally relieved to reduce weight
Crown Race	Durable steel crown races
Bearings	Dependable zinc coated, sealed bearings EC30 will take a 38mm bearing EC34 will take a 41mm bearing ZS44 will take a 41mm bearing ZS49 will take a 41mm bearing EC44/40 will take a 52mm bearing EC44/33 will take a 47mm bearing EC49 will take a 52mm bearing ZS56 will take a 52mm bearing ZS62 will take a 52mm bearing IS41 will take a 41mm bearing IS42 will take a 42mm bearing IS52 will take a 52mm bearing All complete Cane Creek headset assemblies (top or bottom) will use a 36x45 degree contact angle bearing, with the exception of our IS47/33 and EC44/33 headset assemblies. IS47/33 and EC44/33 will use a 45x45 degree contact angle bearing.
Interlok®	Interlok® spacer compatible
Clip Seal	Innovative Clip-Seal completely seals the top assembly and captures the compression ring to reduce the number of loose parts
Face Seal	High-quality, low friction face seals on the crown races
Stack Heights	External Cup (EC) — 16mm top, 12mm bottom ZeroStack (ZS) — 8mm or 15mm top, 4mm bottom Integrated (IS) — 9mm or 15mm top, 1mm bottom

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