Felt IA 2.0 Expert Ultegra Di2
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The Felt IA 2.0 Expert Ultegra Di2 is an uncompromising triathlon bike designed with a singular purpose: pure speed. Its UHC Ultimate + TeXtreme carbon frame is the pinnacle of aerodynamic efficiency, with every tube shape optimized to minimize drag and allow you to cut through the wind. This is not just a bike; it's a fully integrated system. Equipped with the IA 2.0 THIRSTpac hydration system and the CALpac top tube storage, you can carry nutrition and fluids without breaking your aerodynamic profile. A hidden Silca storage case in the frame also provides space for your tools, keeping the bike's silhouette perfectly clean.
This Expert version is equipped with a highly reliable and intelligently configured drivetrain. You benefit from the razor-sharp and consistent performance of the 2x12-speed Shimano Ultegra Di2 R8150 electronic groupset for shifting. For maximum stopping power and control, Felt has upgraded the bike with Shimano Dura-Ace R9170 hydraulic disc brakes, which deliver unparalleled braking performance in all conditions, from sharp turns to steep descents. This combination offers you the best of both worlds: durability and absolute top performance.
The aerodynamic package is completed by the Shimano Ultegra WH-R8170 tubeless-ready carbon wheels, which offer a perfect balance between speed and stability in crosswinds. The Felt Dagger Direct 2.0 cockpit with Devox Ergomod carbon extensions offers extensive adjustment options for finding your most powerful and comfortable position. In combination with the ISM PS1.0 saddle, specifically designed for the triathlon position, the IA 2.0 Expert is built to break personal records and dominate the competition.
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Key specifications
Key specifications
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Brand |
Felt |
|---|---|
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Frame material |
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Model year |
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Specifications
| Number of gears | 24 |
| Rear derailleur | Shimano Ultegra Di2, RD-R8150, Shadow, 24-S |
| Rear wheel | Shimano Ultegra, WH-R8170, Tubeless ready, 12x100/12x142 mm, thru axle |
| Groupset / Build | Shimano Ultegra DI2 |
| Tires | Continental Grand Prix 5000, 700x25 |
| Basis kleur | Black |
| Cassette | Shimano CS-R8100, 11-30 T |
| Crankset | Shimano Ultegra, FC-R8100, 52/36 T |
| Frame | Felt IA 2.0, UHC Ultimate + TeXtreme carbon |
| Chain | Shimano CN-M8100 |
| Color | Chrome / Matte Black |
| Size | 54cm, 58cm |
| Frame material | Carbon |
| Model year | 2025 |
| Brakes | Shimano RT-MT800, 140 mm, Center lock |
| Shifters | Shimano Dura-Ace Di2, ST-R9180 |
| Front derailleur | Shimano Ultegra Di2, FD-R8150 |
| Fork | Felt IntegratedAero Disc 2.0, UHC Ultimate + TeXtreme carbon |
| Front wheel | Shimano Ultegra, WH-R8170, Tubeless ready, 12x100/12x142 mm, thru axle |
| Saddle | ISM PS1.0, Satin Steel |
| Seatpost | Felt Aero TRI IL 2.0 VM |
| SKU | IA20EUDI254 |
| Barcode | 1000000130034 |

Delivered to your home, safely and assembled
When you order a bicycle online from us, our mechanics in the workshop get straight to work to ensure your bicycle is shipped as quickly and safely as possible. For this, we use our own designed bicycle boxes, for optimal safety during transport.
Our team will contact you about the delivery time of your bicycle. Please allow for approximately 1 week.
Extensive bike fit possible
Every Woest bike includes a bike fit, so we and you know that you'll be comfortable for many kilometers to come.
After a thorough assessment of your body, the contact points of the bike are adjusted to perfectly match your body, using the most technically advanced bike fit technologies.
Our team will contact you regarding the delivery time of your bike and to schedule a bike fit with you. Please generally allow for 1 week.
Our Reviews
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Once again a good experience. Ordered a Sram Code RS brake set. Delivered quickly, unfortunately the handlebar clamps were forgotten but delivered without issues afterwards. Also the MMX.
JoostUpdated on Apr 14, 2026 -
Bought a cool Hollowgram R-SL50 wheelset for my gravel bike from Woest Sport at a great price. The rear wheel needed to be re-spoked according to the Cannondale AI principle, which they did very profes...
HansUpdated on 5 Oct 2025 -
Today, after some Googling, I went to Woest for new running shoes. I've been running in Asics Nimbus for over 20 years, and now, after a tip from a colleague, I decided to try Hoka. I was perfectly helped by the staff.....
HenkUpdated on 16 Mar 2023
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Pick up in storeImmediately available*
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Bike fittingHigh-end Retül bike fitting
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Running AnalysesAnalyses for optimal comfort
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Large showroomTotal concept for the multi-sport enthusiast
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