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Full Speed Ahead DX Pro Alloy External HS Lower for Tapered 50/57mm Head Tubes
Reference Number: 3SA3OF
Introducing the Full Speed Ahead DX Pro Lower Black | EC49/40 1.5" - a premium external headset lower cup engineered for optimal performance, durability, and seamless compatibility with tapered head tubes. Crafted with precision, this component is designed to enhance your bicycle's steering precision and reliability, whether you're racing, mountain biking, or commuting.
Materials & Construction:
Constructed from high-grade aluminum alloy, the DX Pro Lower combines lightweight durability with excellent resistance to corrosion. The alloy material ensures a strong, lightweight component that withstands demanding riding conditions, making it ideal for competitive cycling and daily use. The included rubber seal enhances protection against dust, dirt, and moisture, prolonging bearing life and maintaining smooth steering.
Performance & Engineering:
Engineered for precise handling at every turn, this external head set lower cup features a 50mm/57mm tapered seat fit for secure, slop-free installation. The 1.5" alloy external cup incorporates sealed bearings with a 36 /45 bearing angle, ensuring smooth, responsive steering and reduced friction. Whether on rugged mountain trails or city streets, experience enhanced control and stability.
Components & Technology:
Equipped with high-quality sealed bearings (36A /45A ACB), the DX Pro Lower provides excellent load distribution, protecting internal components from contaminants and extending service life. The EC49/40 standard compatibility ensures broad compatibility with a wide range of frames, while its precise specifications guarantee a snug fit with tapered steerer tubes and 50/57mm head tube diameters.
Style & Use Case:
Featuring a sleek black finish, this headset lower cup adds a professional, clean aesthetic to your bicycle. Its versatile design suits mountain bikes, gravel bikes, and road bikes requiring robust tapered head tube support. Perfect for bike builders and enthusiasts seeking reliable performance upgrades or replacement parts.
Innovative Features:
- Aluminum alloy construction for strength-to-weight optimization
- Sealed bearing technology for superior weather resistance and longevity
- Compatible with tapered 50mm/57mm head tubes for versatile frame fitting
- meticulously engineered for precise steering response and durability
Upgrade your bicycle's steering system with the Full Speed Ahead DX Pro Lower Black | EC49/40 1.5". Designed for high performance, engineered for durability, and styled for the competitive cyclist, this external headset lower cup is the ideal choice for a smooth, reliable ride.
- High-quality alloy construction ensures durability and lightweight performance for demanding rides.
- Engineered for tapered 50mm and 57mm head tubes, offering a perfect fit and enhanced steering precision.
- Features sealed 1.5" alloy external cups with 36A /45A ACB bearings for smooth, reliable performance in all weather conditions.
- Designed for versatile mountain and road bike applications, combining style with high-performance engineering.
- Innovative rubber-sealed design minimizes dirt ingress and prolongs component lifespan, making it ideal for off-road and long-distance cycling.
| Item Specifications | |
|---|---|
| Size | 1.5` |
| SHIS | |EC49/40 |
| Cup | 50 |
| Steerer OD | 28.6 |
| Race | 40 |
| Bearing Angle | 36°/45° |
Why 365 Cycles?
365 Cycles is an Authorized Full Speed Ahead Dealer, and we offer the Full Full Speed Ahead Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
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.
