FSA ACR (Aerodynamic Cable Routing) Stems have a low profile frontal area that is suitable for road and gravel riding.Aerodynamic Cable Routing (ACR). Low profile frontal area. Body and faceplate crafted from 6061 T6 alloy with chromoly hardware. Specific frame and headset required. 31.8mm handlebar clamp diameter. 30mm fork clamp stack height. Compatible with K-Force Light ACR Compact, SL-K ACR Compact, Energy ACR Compact, K-Wing AGX and K-Wing AGX handlebars. Item Specifications: Stem Angle (deg), +/-6, S.H.I.S. Stem Clamp Diameter, 28.6, Defined Color, Black, Stack Height, 30, Weight, 235, Color, Black, Material, Aluminum, Length, 100, Bar Clamp Diameter (mm), 31.8,

FSA Full Speed Ahead ACR 100mm Aero Aluminum Road & Gravel Stem 31.8mm Black

Reference Number: 3DX8EP

Upgrade your cycling cockpit with the Full Speed Ahead ACR Stem - a precision-engineered component designed for optimal performance, aerodynamics, and versatile use on road and gravel bikes. Crafted from high-quality 6061 T6 aluminum, this 100mm stem combines durability with lightweight agility, weighing only 235 grams. Its sleek black anodized finish ensures long-lasting corrosion resistance and style that complements any bike setup.

Designed with aerodynamic cable routing (ACR), the FSA ACR Stem minimizes wind resistance by neatly concealing brake and shifter cables, making it ideal for competitive road racing, gravel adventures, and endurance rides. The low-profile frontal area not only improves aerodynamics but also enhances the bike's sleek aesthetic. The stem features a +/-6-degree adjustable angle, allowing riders to fine-tune their riding position for maximum comfort and efficiency.

Engineered for precision handling, this stem has a 31.8mm handlebar clamp diameter and a 30mm fork clamp stack height, ensuring compatibility with select K-Force Light ACR, SL-K ACR, Energy ACR, K-Wing AGX, and K-Wing handlebars. Its chromoly hardware provides exceptional strength and reliability under demanding riding conditions.

Whether you're customizing your race bike or upgrading your gravel rig, the FSA ACR Stem offers exceptional performance and style. Its innovative aerodynamic cable routing and versatile design make it a top choice for cyclists seeking a high-performance, low-profile stem that enhances both speed and aesthetics. Elevate your cycling experience with the Full Speed Ahead ACR Stem - engineered for the serious rider.

  • Enhanced aerodynamics with the FSA ACR Stem featuring advanced Cable Routing to reduce drag and improve rider speed on both road and gravel bikes.
  • Constructed from high-quality 6061 T6 aluminum alloy with chromoly hardware ensures exceptional strength, durability, and lightweight performance for demanding cycling conditions.
  • Designed with a low profile frontal area, this stem minimizes wind resistance while providing a sleek, modern aesthetic suited for aggressive road and gravel riding styles.
  • Compatible with popular handlebars such as K-Force Light ACR, SL-K ACR, and Energy ACR, offering versatile fitment for custom bike builds and upgrade projects.
  • Precision engineering includes a +/-6 adjustable angle and a 100mm length, providing optimal cockpit positioning for rider comfort, control, and aerodynamic efficiency.
Item Specifications
Stem Angle (deg)+/-6
Length100
Bar Clamp Diameter (mm)31.8
ColorBlack
Weight235
MaterialAluminum
Defined ColorBlack
Stack Height30
S.H.I.S. Stem Clamp Diameter28.6

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: 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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