Forged alloy Minimal Top Clamp (MTC) Increased setback for correct fit and saddle support One piece continuous carbon fiber construction M5 chromoly and stainless steel hardware designSIZES L350mm x 27.2, 31.6mm L350mm x 25.4, 27.2, 31.6mm L400mm x 27.2, 31.6mm 25mm setbackFINISH UD carbon finish Color graphics options - greyWEIGHT 210 grams ( 27.2x350mm)31.6 x 350mmOne piece continuous carbon fiber construction. Forged alloy Minimal Top Clamp (MTC). UD carbon finish. Removable mounting hardware for FSA WE or Di2 battery. Item Specifications: Defined Color, Black, Weight, 219, Offset (mm), 25, Diameter, 31.6, Max Height, 210, Color, Black, Min Height, 100, Material, Aluminum with Carbon Wrap, Clamp Style, Standard Rails, Length, 350,

Full Speed Ahead K-Force Di2 Seatpost 31.6mm 350mm 25mm Offset Black

Reference Number: EQDADL

Upgrade your cycling performance with the Full Speed Ahead K-Force SB25 Di2 Seatpost (2019) - a pinnacle of lightweight engineering and innovative design. Crafted for serious riders seeking optimal saddle support, this seatpost combines advanced materials with precision technology to elevate your ride.

Materials & Construction:

Constructed from a one-piece continuous carbon fiber core, the K-Force SB25 offers exceptional strength-to-weight ratio, ensuring durability without added bulk. Its sleek UD carbon finish not only provides a high-performance aesthetic but also reduces weight, with the entire assembly weighing just 219 grams (at 31.6 x 350mm), making it ideal for competitive and endurance cycling.

Performance & Engineering:

Designed with increased setback (25mm), this seatpost ensures correct saddle positioning for improved rider ergonomics and comfort. The forged alloy Minimal Top Clamp (MTC) delivers a streamlined profile and secure saddle attachment, compatible with standard rail systems. Its advanced carbon wrap and aluminum base provide superior vibration damping, enhancing ride comfort on long-distance rides or rough terrains.

Components & Technology:

Featuring removable mounting hardware, the K-Force SB25 is optimized for Di2 electronic shifting systems and FSA WE batteries, enabling seamless integration with electronic drivetrain components. The clamp style supports standard rail saddles, offering versatile compatibility with a wide range of cycling accessories.

Style & Use Case:

With its matte UD carbon finish and sleek black color, the K-Force SB25 not only boosts aerodynamics but also adds a refined, professional look to any road or mountain bike. This lightweight, high-performance seatpost is ideal for competitive racers, serious cyclists, and enthusiasts seeking precise saddle positioning, reduced weight, and cutting-edge technology for climbing, sprinting, or endurance events.

Innovative & Differentiating Features:

- One-piece continuous carbon fiber construction for maximum strength and minimal weight

- Forged alloy Minimal Top Clamp (MTC) for secure saddle support and streamlined aesthetics

- Compatibility with Di2 electric shifting and FSA WE batteries, featuring removable hardware for easy setup and maintenance

- Increased setback (25mm) for optimal rider fit and saddle positioning

Elevate your cycling performance with the Full Speed Ahead K-Force SB25 Di2 Seatpost - engineered for precision, built for performance. perfect for serious cyclists demanding the best in materials, performance, and style.

  • Premium Forged Alloy Minimal Top Clamp (MTC) enhances saddle stability and bike ergonomics for optimal riding comfort.
  • Constructed with one-piece continuous carbon fiber for lightweight strength and durability, ensuring reliable performance on demanding rides.
  • Designed with an elegant UD carbon finish and sleek graphics, this seatpost adds a modern, high-performance aesthetic to your road or mountain bike.
  • Compatible with FSA WE and Di2 battery systems, featuring removable hardware for seamless integration with electronic shifting components.
  • Available in multiple lengths and sizes, including 350mm and 400mm options with a 25mm setback, providing customizable fit and improved saddle positioning for all riders.
Item Specifications
Defined ColorBlack
Weight219
Offset (mm)25
Diameter31.6
Max Height210
ColorBlack
Min Height100
MaterialAluminum with Carbon Wrap
Clamp StyleStandard Rails
Length350

Why 365 Cycles?

365 Cycles is an Authorized Full Speed Ahead Dealer, and we offer the Full Full Speed Ahead Warranty!

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Professional Customer Service- available 7 days a week
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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.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. 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.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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