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Felt IA 2.0 UD Carbon STD vs Ridley Triton Fast

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 Ridley Triton Fast higher overall: 81/100 vs 74/100.
  • The Felt IA 2.0 UD Carbon STD comes in 5 sizes, the Ridley Triton Fast in 4.
Felt IA 2.0 UD Carbon STD
Ridley Triton Fast
Bike comparison
FeltIA 2.0 UD Carbon STDRidleyTriton Fast
Overview
BrandFeltRidley
BuildIA 2.0 Expert Shimano Ultegra Di2Triton Fast Rival AXS 2x12
Price (MSRP)$7,799$7,799$7,799€5,999€5,999£5,399
Bike weight10.3 kg22.7 lb—
Weight measured on sizeM—
Model year20262026
Generation2nd generation IAFirst generation
Launched20222025-10
DisciplineTriathlonTriathlon
UCI legalNoNo
Verdict (out of 100)
Overall score7481
Aero8584
Frame6482
Components6678
Hydration & storage8888
Fit7486
Practicality6266
Price7980
Frame & fork
Frame materialCarbon (UD Carbon STD)Carbon (Ridley Elite Series)
Fork materialCarbon (UD Carbon STD)Carbon
Max system weight120 kg264.6 lb—
Frame sizes48, 51, 54, 56, 58XS, S, M, L
ColoursGlossy Grey (Expert), Glossy Black (Race)Customisable through Ridley's online configurator
Also available asIA 2.0 FRD (FRD 12K Carbon Light frame and fork, same geometry) on the FRD and Pro builds and as a framekit—
UCI frame approval—Not on the UCI list of approved framesets (version 2026.10.02)
UCI configurationNot UCI-legal: Triathlete says the depth of the tubes rules it out—
Compatibility & standards
Brake typeDiscFlat-mount hydraulic disc
Wheel size700c700c
Max tire width—34 mm
Bottom bracket standard—BB86 press-fit
Drivetrain compatibility—Designed for electronic groupsets in 1x or 2x; UDH dropout takes conventional and SRAM T-Type direct-mount rear derailleurs
1x compatible—Yes
Max chainring—70T
Hydration & storage
Integrated hydrationYesYes
Hydration volume900 ml30.4 fl oz—
Hydration detailsTHIRSTpac 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.Internal reservoir above the bottom bracket, with the drinking line run through a tunnel inside the frame so the rider can drink without leaving the aero position. Ridley does not state a volume.
Integrated storageYesYes
Storage volume200 ml6.8 fl oz—
Storage detailsCALpac top tube nutrition compartment (0.2 L) and an ITSpac compartment inside the seat tube for tools, spare tube, tire levers and CO2.Modular packs integrated into the frame for nutrition, tools and waste
Top tube bento boxYes—
Fit & adjustability
Aerobar systemFelt IA 2.0 carbon basebarDedicated 4ZA integrated basebar (380 mm c-c) with Ridley's Monoriser riser and Monoriser Wing extension mount
Pad stack adjustment range—Monoriser spacers 20-100 mm in 20 mm steps plus three 5 mm spacers; the Wing adds 20 mm, for up to 135 mm in total
Pad width range—Up to 160 mm between the arm pads
Extension options—Any extensions with 15 mm bolt spacing (M6 bolts recommended); the Force XPLR build comes with Deda Fast Pro and the Red XPLR build with Deda Jet Two clip-on extensions
Seatpost typeFelt IA 2.0 dedicated carbon seatpostTriton Fast aero seatpost with integrated clamp (300 mm on XS/S, 400 mm on M/L)
Fit notes—Pad stack and reach ranges are published per size. The Monoriser Wing rotates, so the extension angle is set steplessly rather than with fixed-angle wedges. Fork flip chips set the rake to 45, 50 or 55 mm.
Aerodynamics
Manufacturer aero claims—Ridley says the frame, cockpit and storage were refined in independent wind tunnel tests, and that the frameset is 325 g lighter than the comparable top model of its main competitor.
Testing method—Independent wind tunnel testing (Ridley)
Travel, maintenance & warranty
Travel & packing—The cockpit comes off with two bolts for travel
Derailleur hanger—UDH (SRAM Universal Derailleur Hanger); also takes direct-mount SRAM T-Type derailleurs
Maintenance—Maximum seatpost clamp torque 4 Nm
Proprietary parts—4ZA integrated basebar, Monoriser and Monoriser Wing, Triton Fast aero seatpost and integrated seatpost clamp (SPCAER4ZA012)
Frame warranty—Lifetime warranty after registration, transferable to a second owner
Sold viaDealersRidley dealers and Ridley's online configurator (delivery in about eight weeks)
Drivetrain
GroupsetShimano Ultegra Di2 R8100SRAM Rival AXS
Launched2021 · current generation—
Speeds12-speed12-speed
ElectronicYesYes
Wireless—Yes
Drivetrain—2x
ShiftersShimano SW-R9160 + SW-R9150 Di2 remote TT shifters—
CranksetShimano Ultegra R8100SRAM Rival XPLR
Chainrings52/3648/35
Crank length165 (48, 51) / 170 (54, 56) / 172.5 (58)170
Notes—Sizes XS and S list a 165 mm SRAM Rival crank
Bottom bracketShimano SM-BBR60—
Front derailleurShimano Ultegra Di2 R8150SRAM Rival AXS
Rear derailleurShimano Ultegra Di2 R8150SRAM Rival AXS
CassetteShimano Ultegra R8101SRAM XG-1250
Range11-3010-36
Speeds12-speed12-speed
ChainShimano CN-M6100—
Brakes
Brake calipersTRP HD-T910DTRP HD-T912
TypeHydraulic discHydraulic disc, flat mount
Notes—F5 adapter front; F6 adapter (20 mm) rear
RotorsTRP TR140-25—
Front rotor140 mm—
Rear rotor140 mm—
MountCenter Lock—
Wheels & tires
WheelsetVision Metron SC 60Forza Skiron 65
Front rim depth60 mm65 mm
Rear rim depth60 mm65 mm
Rear disc wheelNoNo
Internal rim width23 mm21 mm
MaterialCarbon—
Tubeless ready—Yes
Hubs—DT Swiss 370
TiresContinental Grand Prix TRCorsa N.EXT TLR G2.0
Tire width25 mm28 mm
Cockpit
Aerobar system—Ridley Monoriser Wing
Integrated with frame—Yes
Pad stack adjustment—Monoriser spacers from 20 to 100 mm in 20 mm steps plus three 5 mm spacers; the Wing adds 20 mm (up to 135 mm in total)
Pad width adjustment—Up to 160 mm between the arm pads
Tilt adjustment—Stepless rotation of the extension angle
BasebarFelt IA 2.0 Carbon Basebar4ZA Integrated basebar
Basebar width—380 mm
Notes—Listed as 50-90 mm (Wing position)
Saddle & seatpost
SaddlePrologo Zero Tri PAS Tirox 136Selle Italia Watt
Saddle width—133 mm
Rails—Manganese
SeatpostFelt IA 2.0 Dedicated SP CarbonRidley Triton Fast Aero seatpost
Notes—300 mm on XS and S, 400 mm on M and L; Ritchey saddle clamp
Included extras
Hydration systemFelt THIRSTpac—
Volume900 ml30.4 fl oz—
Storage / bentoFelt CALpac + ITSpac—
Volume200 ml6.8 fl oz—
NotesVolume is for the CALpac top tube compartment—
Geometry (smallest – largest size)
Sizes48, 51, 54, 56, 58XS, S, M, L
Stack478–572 mm18.8–22.5″476–568 mm18.7–22.4″
Reach379–445 mm14.9–17.5″406–480 mm16–18.9″
Pad stack min—566–658 mm22.3–25.9″
Pad stack max—661–753 mm26–29.6″
Pad reach min—456–530 mm18–20.9″
Pad reach max—496–570 mm19.5–22.4″
Seat angle min77.5–79.5°80–82°
Seat angle max77.5–79.5°80–82°
Head tube angle71.5–72°71–72°
Head tube length67.5–163 mm2.7–6.4″70–160 mm2.8–6.3″
Effective top tube468–573 mm18.4–22.6″490–560 mm19.3–22″
Seat tube length496–598 mm19.5–23.5″—
Chainstay405 mm15.9″410 mm16.1″
Wheelbase970–1,058 mm38.2–41.7″1,004–1,089 mm39.5–42.9″
BB drop72 mm2.8″78 mm3.1″
Fork offset45–50 mm1.8–2″—
Standover735–793 mm28.9–31.2″—
Wheel size—700c
Crank length165–172.5 mm6.5–6.8″—
Basebar width—380 mm15″

Geometry overlay

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Felt IA 2.0 UD Carbon STD · 54Ridley Triton Fast · S