Compare
Felt IA 2.0 UD Carbon STD vs Wilier Triestina Turbine SL
Pick up to 4 bikes. Rows line up component by component. Highlighted rows differ, and green marks the best value where lower or higher is clearly better.
Key differences
- Our verdict scores the Felt IA 2.0 UD Carbon STD higher overall: 74/100 vs 71/100.
- Only the Wilier Triestina Turbine SL is UCI legal, so only it can be raced in UCI time trials.
- Only the Felt IA 2.0 UD Carbon STD has integrated hydration.
- Only the Felt IA 2.0 UD Carbon STD has integrated storage.
- The Felt IA 2.0 UD Carbon STD comes in 5 sizes, the Wilier Triestina Turbine SL in 3.
Felt IA 2.0 UD Carbon STD
Wilier Triestina Turbine SL
| FeltIA 2.0 UD Carbon STD | Wilier TriestinaTurbine SL | |
|---|---|---|
| Overview | ||
| Brand | Felt | Wilier Triestina |
| Build | IA 2.0 Expert Shimano Ultegra Di2 | Turbine SL 105 Di2 |
| Build notes | — | Code E6546I3. |
| Price (MSRP) | $7,799$7,799$7,799 | €5,999€5,999€5,999 |
| Bike weight | 10.3 kg22.7 lb | — |
| Weight measured on size | M | — |
| Model year | 2026 | 2026 |
| Generation | 2nd generation IA | Turbine SL (Supersonica-derived triathlon frame) |
| Launched | 2022 | — |
| Discipline | Triathlon | Triathlon |
| UCI legal | No | Yes |
| Verdict (out of 100) | ||
| Overall score | 74 | 71 |
| Aero | 85 | 72 |
| Frame | 64 | 74 |
| Components | 66 | 60 |
| Hydration & storage | 88 | 56 |
| Fit | 74 | 66 |
| Practicality | 62 | 86 |
| Price | 79 | 80 |
| Frame & fork | ||
| Frame material | Carbon (UD Carbon STD) | Carbon monocoque |
| Fork material | Carbon (UD Carbon STD) | Carbon monocoque (asymmetric, shaped around the brake) |
| Frame weight | — | 1,270 g2.8 lb |
| Fork weight | — | 475 g16.8 oz |
| Weight measured on | — | Wilier figures, ±5% |
| Max system weight | 120 kg264.6 lb | — |
| Frame sizes | 48, 51, 54, 56, 58 | XS/S, M, L/XL |
| Colours | Glossy Grey (Expert), Glossy Black (Race) | T18 Black/Grey (gloss) |
| Also available as | IA 2.0 FRD (FRD 12K Carbon Light frame and fork, same geometry) on the FRD and Pro builds and as a framekit | Turbine SLR and Supersonica SLR (UCI time trial frames) |
| UCI frame approval | — | UCI-approved as 'Turbine SL' (frame and fork code WILIER-024), approved 12.12.2025, sizes XS-S to L-XL (3) (UCI list version 2026.10.02) |
| UCI configuration | Not UCI-legal: Triathlete says the depth of the tubes rules it out | — |
| Compatibility & standards | ||
| Brake type | Disc | Hydraulic disc |
| Wheel size | 700c | 700c |
| Max tire width | — | 32 mm |
| Bottom bracket standard | — | Press-fit (Shimano SM-BB72-41B in the 105 Di2 build) |
| Rear axle | — | Thru-axle, UDH compatible |
| Drivetrain compatibility | — | Electronic groupsets; UDH |
| 1x compatible | — | Yes |
| Front derailleur mount | — | Removable hanger for switching between 1x and 2x |
| Cable routing | — | Fully internal |
| Hydration & storage | ||
| Integrated hydration | Yes | No |
| Hydration volume | 900 ml30.4 fl oz | 1,100 ml37.2 fl oz |
| Hydration details | THIRSTpac reservoir in the raised top tube (about 0.9 L according to road.cc) with a quick-fill port and a straw to the cockpit. | Optional Aerokit hydration system (sold separately) holds up to 1,100 ml and acts as an aero fairing; standard round bottles fit too (550 ml on the down tube, up to 750 ml on the seat tube) |
| Integrated storage | Yes | No |
| Storage volume | 200 ml6.8 fl oz | 290 ml9.8 fl oz |
| Storage details | CALpac top tube nutrition compartment (0.2 L) and an ITSpac compartment inside the seat tube for tools, spare tube, tire levers and CO2. | Profile Design ATTK toolkit (290 cm³) included |
| Top tube bento box | Yes | — |
| Bottle mount locations | — | Down tube and seat tube |
| Fit & adjustability | ||
| Aerobar system | Felt IA 2.0 carbon basebar | Deda Crononero Evo aluminium aerobar with adjustable extensions (supplied) |
| Third-party aerobars possible | — | Yes |
| Seatpost type | Felt IA 2.0 dedicated carbon seatpost | Wilier carbon post, 0 mm offset |
| Fit notes | — | The seatpost and seat angle allow the saddle to sit about 2 cm ahead of the bottom bracket; the higher stack is aimed at long-distance comfort. |
| Travel, maintenance & warranty | ||
| Sold via | Dealers | Wilier dealers |
| Drivetrain | ||
| Groupset | Shimano Ultegra Di2 R8100 | Shimano 105 Di2 R7100 |
| Launched | 2021 · current generation | 2022 · current generation |
| Speeds | 12-speed | 12-speed |
| Electronic | Yes | Yes |
| Drivetrain | — | 2x |
| Shifters | Shimano SW-R9160 + SW-R9150 Di2 remote TT shifters | Shimano Dura-Ace ST-R9180 Di2 |
| Crankset | Shimano Ultegra R8100 | Shimano 105 R7100 |
| Chainrings | 52/36 | 52/36 |
| Crank length | 165 (48, 51) / 170 (54, 56) / 172.5 (58) | — |
| Bottom bracket | Shimano SM-BBR60 | Shimano SM-BB72-41B |
| Standard | — | Press-fit |
| Front derailleur | Shimano Ultegra Di2 R8150 | Shimano 105 Di2 R7150 |
| Rear derailleur | Shimano Ultegra Di2 R8150 | Shimano 105 Di2 R7150 |
| Cassette | Shimano Ultegra R8101 | Shimano 105 R7100 |
| Range | 11-30 | 11-34 |
| Speeds | 12-speed | 12-speed |
| Chain | Shimano CN-M6100 | Shimano CN-M7100 |
| Brakes | ||
| Brake calipers | TRP HD-T910D | Shimano Dura-Ace BR-R9270 |
| Type | Hydraulic disc | Hydraulic disc |
| Rotors | TRP TR140-25 | Shimano SM-RT70 |
| Front rotor | 140 mm | 160 mm |
| Rear rotor | 140 mm | 140 mm |
| Mount | Center Lock | — |
| Wheels & tires | ||
| Wheelset | Vision Metron SC 60 | Miche Asfalto 45 Carbon |
| Front rim depth | 60 mm | 45 mm |
| Rear rim depth | 60 mm | 45 mm |
| Rear disc wheel | No | — |
| Internal rim width | 23 mm | — |
| Material | Carbon | Carbon |
| Tires | Continental Grand Prix TR | Vittoria Rubino Pro IV Graphene 2.0 |
| Tire width | 25 mm | 28 mm |
| Cockpit | ||
| Aerobar system | — | Deda Crononero Evo |
| Material | — | Aluminium (6061) |
| Basebar | Felt IA 2.0 Carbon Basebar | — |
| Stem | — | Ritchey / Wilier Stemma S2 alloy |
| Saddle & seatpost | ||
| Saddle | Prologo Zero Tri PAS Tirox 136 | Selle Shortfit 2.0 Open-Fit Narrow |
| Seatpost | Felt IA 2.0 Dedicated SP Carbon | Ritchey / Wilier Carbon custom, 0 mm offset |
| Material | — | Carbon |
| Included extras | ||
| Hydration system | Felt THIRSTpac | — |
| Volume | 900 ml30.4 fl oz | — |
| Storage / bento | Felt CALpac + ITSpac | Profile Design ATTK toolkit |
| Volume | 200 ml6.8 fl oz | 290 ml9.8 fl oz |
| Notes | Volume is for the CALpac top tube compartment | — |
| Geometry (smallest – largest size) | ||
| Sizes | 48, 51, 54, 56, 58 | XS/S, M, L/XL |
| Stack | 478–572 mm18.8–22.5″ | 490–554 mm19.3–21.8″ |
| Reach | 379–445 mm14.9–17.5″ | 385–425 mm15.2–16.7″ |
| Seat angle min | 77.5–79.5° | 78.5–80.2° |
| Seat angle max | 77.5–79.5° | 78.5–80.2° |
| Head tube angle | 71.5–72° | 71–72° |
| Head tube length | 67.5–163 mm2.7–6.4″ | 87–151 mm3.4–5.9″ |
| Effective top tube | 468–573 mm18.4–22.6″ | 485–521 mm19.1–20.5″ |
| Seat tube length | 496–598 mm19.5–23.5″ | 490–562 mm19.3–22.1″ |
| Chainstay | 405 mm15.9″ | 410 mm16.1″ |
| Wheelbase | 970–1,058 mm38.2–41.7″ | 980–1,032 mm38.6–40.6″ |
| BB drop | 72 mm2.8″ | — |
| Fork offset | 45–50 mm1.8–2″ | — |
| Standover | 735–793 mm28.9–31.2″ | — |
| Wheel size | — | 700c |
| Crank length | 165–172.5 mm6.5–6.8″ | — |
Geometry overlay
Pick a size for each bike to see frames and arm-pad ranges on top of each other.
Drawn to scale (how to read it).