Description
Headset for 1-1/8" forks on EC standard 1.5" frames
The 40-series is the most balanced headset in our entire lineup.
The 40-series is the perfect balance of performance, durability, weight, and price, all of which are absolutely necessary for long-term usE
The common design of the internal part sizes also allows the use of top grade 110 series parts and upgrades.
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Can be used to mount a 1-1/8" OS fork on an EC standard1.5" frame.
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TOP ZS shape / BOTTOM EC shape
SPEC Top Type:ZS - Zero
Top Type:ZS - ZeroStack
Top Head-Tube Diameter:49.61mm
Stem Clamp Diameter:28.6mm
Top Stack Height:8mm
Bottom Type: EC - External Cup
Bottom Head Tube Inside Diameter: 49.61mm
Crown Race Seat Diameter: 39.79mm
Bottom Stack Height: 12mm
Material: 6061-Aluminum
Top Bearing: Black Oxide, Sealed
Bottom Bearing: Black Oxide, Sealed
Weight: 133g
- We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
- Messenger delivery is available within Nagoya City only.
- We ship every day from Monday to Sunday, except on temporary holidays.
- Available delivery areas: All over Japan and the world.
- Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
- The product will be shipped from Circles.
- Please contact the shipping company in case of damage or loss during shipping.
Regarding the delivery of complete bikes
- Please note that a separate shipping fee of 9,900 yen (tax included) will be charged for shipping complete bikes. (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
- After receiving your order, we will do a final check and ship complete bikes, but it may take 1-2 weeks. Please understand.
- We will send the bike with some parts removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
- We will inform you of the delivery date and other details by e-mail.
- We apologize for any sales discrepancies at the store.
Regarding the delivery of frame sets
- Nationwide flat-rate shipping: 5,500 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
- We will inform you of the delivery date and other details by e-mail.
- We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
- We can also install a headset and BB for a fee, so please feel free to contact us.