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FSA C-40 Integrated Headset for Tapered Forks | Alloy Durability & Precise 36/45 Bearings
Reference Number: 4S53O3
Upgrade your bike's steering performance with the FSA Integrated Headset Lower C-40 1.5 IS52.1/39.78 Alloy w/Rubber Seal-a premium, high-performance component designed for serious cyclists seeking durability, precision, and style. Crafted from lightweight yet resilient alloy, this headset features a sleek silver finish that complements any bike build.
Materials & Construction:
Constructed from aerospace-grade alloy, the FSA C-40 headset ensures exceptional strength-to-weight ratio, providing reliable performance under demanding riding conditions. The alloy top cover and cartridge bearings are engineered for longevity, resisting wear and corrosion for extended use.
Performance & Engineering:
Designed with precision engineering, this headset boasts a dual bearing system with 45 upper bearings (1-1/8") and 36 lower bearings (1.5"), optimized for smooth and responsive steering. The cartridge bearing setup reduces maintenance and offers consistent performance, ensuring precise handling whether you're racing or tackling off-road trails.
Components & Technology:
Compatible with tapered fork steerers (1.5" to 1-1/8"), the FSA C-40 features an integrated 41.2mm ID (36x45) or Campy Hiddenset 42.0mm ID (45x45) for versatile installation options. The alloy 8mm top cover includes a rubber seal to protect against dirt and moisture, enhancing durability. Its crown race size of 40mm ensures a secure seat on your fork.
Style & Use Case:
With a sleek silver finish and minimalist design, the C-40 integrates seamlessly into road, mountain, or cyclocross bikes. Its lightweight construction and precision bearings deliver enhanced steering responsiveness, making it ideal for competitive riders and enthusiasts alike who demand reliable performance and a clean aesthetic.
Innovative Features:
- Tapered steerer compatibility for modern fork standards
- Alloy construction with rubber seal for moisture resistance
- Cartridge bearing system for maintenance ease and longevity
- Designed for 1-1/8" upper and 1.5" bottom steerers with integrated lower stack height (0.7mm)
Optimize your bike's handling with the FSA Integrated Headset Lower C-40 1.5 IS52.1/39.78 Alloy w/Rubber Seal-where engineering excellence meets durability and style. Perfect for upgrading your existing headset or building a custom high-performance bike.
- Premium Alloy Construction for Durability and Lightweight Performance Ensures long-lasting, rust-resistant operation while reducing overall frame weight for enhanced bike handling and agility. Advanced Cartridge Bearing Technology Provides smooth, precise steering with minimal maintenance, optimized for both road and mountain bike applications. Compatible with Tapered Steerers (1-1/8 to 1.5 ), the FSA C-40 Integrated Headset offers versatile installation options for modern bike frames and racing setups. Designed with innovative rubber seals, this headset prevents dirt, water, and debris ingress, extending component lifespan and maintaining optimal performance under tough riding conditions. Sleek Silver Finish and ergonomic alloy top cover combine style and function, complementing high-end bike aesthetics while ensuring reliable, effortless steering control.
| Item Specifications | |
|---|---|
| Bearing Type | Cartridge |
| Crown Race | 40 |
| Color | Silver |
| Lower Stack Height | 1 |
| S.H.I.S Lower | IS52 |
| Size | 1.5` |
| SHIS | |IS52/40 |
| Cup | 52 |
| Steerer OD | 28.6 |
| Race | 39.8 |
| Bearing Angle | B:36°/45° |
| Upper/Lower | Lower |
| S.H.I.S. Stem Clamp Diameter | IS52.1/39.78 |
| Color | Black |
| Model Name | C-40 |
| Stack | 0.7mm |
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Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
