AeroAddicts

ColnagoY1Rs

Aero road2025Y1Rs (first generation) ↗Disc brakes

Colnago's dedicated aero road bike, developed with UAE Team Emirates and UAE Team ADQ for sprinters and breakaway riders. A bayonet fork wraps around a narrow head tube to cut frontal area by 19% against the V4Rs, the down tube curves around the front wheel, and the seatpost meets the seat tube and stays in a Y-shaped 'DEFY' joint. It comes with the one-piece CC.Y1 cockpit and custom bottle cages, in five sizes, configured online with five groupset options.

Colnago Y1Rs in violet and black, drive side
© Colnago
From
—
Builds
5
Sizes
5
Frame weight
972 g34.3 oz

Design sketch, generated from the manufacturer's photo

Our verdict

No overall score: there's no complete-bike price to rate

For racers who want one of the fastest road bikes going, backed by detailed wind-tunnel data, with a slim one-piece cockpit and a threaded bottom bracket. You trade weight (the frame is heavier than the V4Rs), only five sizes and two cockpit widths, proprietary front-end parts and a short warranty, and you configure it without per-build prices.

Scored Oct 2026

  • + Aero-first design
  • + Light
  • + Top-tier build kit

AI-drafted from the specs on this page and reviewed before publishing. Scores are relative to every bike in the catalog when they were given, so they drop as newer bikes and parts raise the bar.

Aero
94/100

Aero claims and front-end integration

Frame
76/100

Carbon grade, weight and warranty

Components
82/100

Groupset, wheels and power meter

Fit
70/100

Sizes and adjustment range

Practicality
58/100

Travel, standard parts, servicing

Weight
92/100

From the lightest claimed weight (7.2 kg, size M)

How each category is scored

Bike duel

Reviews

2 independent reviews of the Colnago Y1Rs.

Frame & platform

Frame & fork

Frame material
Carbon
Fork material
Carbon bayonet fork for disc brakes, with integrated cable routing
Frame weight
972 g34.3 oz
Fork weight
450 g15.9 oz
Frameset weight
1,422 g3.13 lb
Weight measured on
Ready-to-paint (unpainted) frame without removable parts, size not stated; frameset weight is frame plus fork (Y1Rs white paper)
Max system weight
110 kg242.5 lb
Frame sizes
XS, S, M, L, XL

Compatibility & standards

Brake type
Hydraulic disc, flat mount
Wheel size
700c
Max tire width
32 mm
Bottom bracket standard
BSA threaded
Front axle
12x100 thru-axle
Rear axle
12x142 thru-axle
Drivetrain compatibility
Electronic groupsets; offered with Campagnolo Super Record Wireless, Shimano Dura-Ace Di2 and Ultegra Di2, SRAM Red AXS E1 and Force AXS E1
Cable routing
Internal, with cables integrated through the fork and cockpit
Electronic battery location
Down tube, held by a support on the down-tube bottle cage

Bottles & storage

Bottle mounts
2
Bottle mount locations
Down tube and seat tube, with custom cages shaped to the frame

Fit & adjustability

Cockpit
One-piece bar and stem (Colnago CC.Y1; CC.01 on the Ultegra Di2 and Force AXS builds)
Seatpost type
Colnago Y1Rs carbon seatpost, 0 or 15 mm offset

Aerodynamics

Manufacturer aero claims
20 W less than the V4Rs at 50 km/h with a rider mannequin (395 W vs 415 W at 0° yaw); 19% smaller frontal area than the V4Rs (23,438 vs 28,698 mm² without the drops)
Testing method
CFD refined with Politecnico di Milano and Khalifa University using pressure mapping on a 3D-printed test frame (about 70 sensors), then wind tunnel tests at 50 km/h of the bike alone and with a 3D-printed mannequin in a WorldTour position
Tube profile
Tube profiles up to the UCI's 8:1 ratio; bayonet fork around a narrow head tube; curved down tube; Y-shaped DEFY seatpost joint with the seat tube following the rear wheel

Travel, maintenance & warranty

Headset bearings
ID 35 / OD 47 mm, 36°/45°, CeramicSpeed SLT bearings
Proprietary parts
CC.Y1 (or CC.01) cockpit, bayonet fork and headset, Y1Rs seatpost, custom bottle cages
Frame warranty
Two-year statutory warranty, plus one extra year when the bike is registered on the Colnago blockchain
Sold via
Colnago online customizer and stores

Photos

Design sketches

Design sketch of the Colnago Y1Rs, side view
Side view · Design sketch, generated from the manufacturer's photo
Design sketch of the Colnago Y1Rs, three-quarter view
Three-quarter view · Design sketch, generated from the manufacturer's photo
Design sketch of the Colnago Y1Rs, front view
Front view · Design sketch, generated from the manufacturer's photo

Builds & components

Highlighted rows differ between builds. Green marks the best value.

Colnago Y1Rs builds
Y1Rs Campagnolo Super Record Wireless
Y1Rs Shimano Dura-Ace Di2
Y1Rs SRAM Red AXS E1
Y1Rs Shimano Ultegra Di2
Y1Rs SRAM Force AXS E1
Overview
Weight—7.2 kg15.9 lb———
Weight measured on size—M———
TypeComplete bikeComplete bikeComplete bikeComplete bikeComplete bike
NotesColnago's spec lists the Super Record Wireless 12-speed groupset (FD23-SR12WRL / RD23-SR12WRL). Colnago sells the Y1Rs through its online customizer and lists only a starting price (from €12,300 in Italy and Germany, €13,299 in France, £11,500, US$14,106) without saying which configuration it applies to, so no MSRP is given per build.Claimed weight is for size M with ENVE SES 4.5 wheels, without pedals. Colnago also lists Fulcrum Sharq 57 and Vision SC45 wheel options for this build. Colnago sells the Y1Rs through its online customizer and lists only a starting price (from €12,300 in Italy and Germany, €13,299 in France, £11,500, US$14,106) without saying which configuration it applies to, so no MSRP is given per build.Colnago sells the Y1Rs through its online customizer and lists only a starting price (from €12,300 in Italy and Germany, €13,299 in France, £11,500, US$14,106) without saying which configuration it applies to, so no MSRP is given per build.Comes with the CC.01 cockpit rather than the CC.Y1, and one bottle cage. Colnago lists both RT-CL900 and RT-CL800 rotors (160/140 mm) for this build. Colnago sells the Y1Rs through its online customizer and lists only a starting price (from €12,300 in Italy and Germany, €13,299 in France, £11,500, US$14,106) without saying which configuration it applies to, so no MSRP is given per build.Comes with the CC.01 cockpit rather than the CC.Y1, and one bottle cage. Colnago's spec names both CenterLine XR and Paceline rotors (160/140 mm) for this build. Colnago sells the Y1Rs through its online customizer and lists only a starting price (from €12,300 in Italy and Germany, €13,299 in France, £11,500, US$14,106) without saying which configuration it applies to, so no MSRP is given per build.
Drivetrain
GroupsetCampagnolo Super Record WirelessShimano Dura-Ace Di2 R9200SRAM Red AXS E1Shimano Ultegra Di2 R8100SRAM Force AXS E1
Launched2023 · current generation2021 · current generation2024 · current generation2021 · current generation2025 · current generation
Speeds12-speed12-speed12-speed12-speed12-speed
ElectronicYesYesYesYesYes
WirelessYes————
Drivetrain2x2x2x2x2x
CranksetCampagnolo Super Record WirelessShimano Dura-Ace R9200SRAM Red E1Shimano Ultegra R8100SRAM Force E1
Chainrings52-3652-3648-3552-3648-35
Crank length170 mm on XS-M, 172.5 mm on L-XL170 mm on XS-M, 172.5 mm on L-XL170 mm on XS-M, 172.5 mm on L-XL170 mm on XS-M, 172.5 mm on L-XL170 mm on XS-M, 172.5 mm on L-XL
Bottom bracketCampagnolo Super RecordShimano Dura-AceSRAM RedShimano BSASRAM DUB
StandardBSA threadedBSA threadedBSA threadedBSA threadedBSA threaded
Front derailleur—Shimano Dura-Ace Di2 R9250—Shimano Ultegra Di2 R8150—
Rear derailleur—Shimano Dura-Ace Di2 R9250—Shimano Ultegra Di2 R8150—
CassetteCampagnolo Super Record WirelessShimano Dura-Ace R9200SRAM Red E1Shimano Ultegra R8100SRAM Force E1
Range11-3611-3010-3011-3410-33
Speeds12-speed12-speed12-speed12-speed12-speed
Chain—Shimano CN-M9100—Shimano CN-M8100—
Brakes
Brake calipersCampagnolo Super Record WirelessShimano Dura-Ace BR-R9270SRAM Red AXS E1Shimano Ultegra BR-R8170SRAM Force AXS E1
TypeHydraulic disc, flat mountHydraulic disc, flat mountHydraulic disc, flat mountHydraulic disc, flat mountHydraulic disc, flat mount
RotorsCampagnolo Super RecordShimano Dura-Ace RT-CL900SRAM CenterLine XR——
Front rotor160 mm160 mm160 mm——
Rear rotor140 mm140 mm140 mm——
Wheels & tires
WheelsetCampagnolo Bora Ultra WTO 45ENVE SES 4.5Vision SC45Vision SC45Vision SC45
Front rim depth45 mm—45 mm45 mm45 mm
Rear rim depth45 mm—45 mm45 mm45 mm
Internal rim width21 mm—21 mm21 mm21 mm
MaterialCarbonCarbonCarbonCarbonCarbon
HubsCarbon hubs with CULT ceramic bearings————
Tires—Pirelli P Zero Race TLRPirelli P Zero Race TLRPirelli P Zero RacePirelli P Zero Race TLR
Tire width—28 mm28 mm28 mm28 mm
Cockpit
HandlebarColnago CC.Y1Colnago CC.Y1Colnago CC.Y1Colnago CC.01Colnago CC.01
TypeOne-piece bar and stemOne-piece bar and stemOne-piece bar and stemOne-piece bar and stemOne-piece bar and stem
Integrated stemYesYesYesYesYes
Widths available377 or 397 mm at the hoods (400 or 420 mm at the drops), with 95-135 mm stems377 or 397 mm at the hoods (400 or 420 mm at the drops), with 95-135 mm stems377 or 397 mm at the hoods (400 or 420 mm at the drops), with 95-135 mm stems——
Bar reach79 mm79 mm79 mm——
Bar drop130 mm130 mm130 mm——
MaterialCarbonCarbonCarbon——
HeadsetCeramicSpeed SLTCeramicSpeed SLTCeramicSpeed SLTCeramicSpeed SLTCeramicSpeed SLT
NotesID 35 / OD 47 mm, 36°/45° bearingsID 35 / OD 47 mm, 36°/45° bearingsID 35 / OD 47 mm, 36°/45° bearingsID 35 / OD 47 mm, 36°/45° bearingsID 35 / OD 47 mm, 36°/45° bearings
Saddle & seatpost
SaddlePrologo Scratch M5 NackPrologo Scratch M5 NackPrologo Scratch M5 NackPrologo Scratch M5 TiroxPrologo Scratch M5 Tirox
Saddle width140 mm140 mm140 mm——
NotesColnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stockColnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stockColnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stockColnago may fit a Selle Italia Novus Boost EVO TI316 Superflow instead, subject to stockColnago may fit a Selle Italia Novus Boost EVO TI316 Superflow instead, subject to stock
SeatpostColnago Y1Rs seatpostColnago Y1Rs seatpostColnago Y1Rs seatpostColnago Y1Rs seatpostColnago Y1Rs seatpost
Offset / setback0 or 15 mm0 or 15 mm0 or 15 mm0 or 15 mm0 or 15 mm
MaterialCarbonCarbonCarbonCarbonCarbon
Bar tapeColnago GripColnago GripColnago GripColnago GripColnago Grip
Included extras
Bottle cagesColnago Y1Rs custom bottle cages (with Elite)Colnago Y1Rs custom bottle cages (with Elite)Colnago Y1Rs custom bottle cages (with Elite)Colnago Matt BlackColnago Matt Black
NotesTwo cages shaped to the frameTwo cages shaped to the frameTwo cages shaped to the frameOne cageOne cage

Real-world weight

Scale weights of the Y1Rs from reviewers, next to Colnago's claim.

WhatMeasuredClaimedMeasured by
Y1Rs Shimano Dura-Ace Di2Size L · Dura-Ace Di2 R9200 with Vision SC45 wheels and Pirelli P Zero Race tyres7.66 kg16.9 lb7.2 kg15.9 lb+460 g vs claimBikeRadar2025-08
Y1Rs SRAM Red AXS E1Size M · SRAM Red AXS with Vision SC45 wheels and Pirelli P Zero Race TLR 28 mm tyres7.44 kg16.4 lb—BIKE2025-06

Comparing with the claim

Aero tests

Tests that measured the Y1Rs against other bikes under the same conditions. Lower is faster.

Wind tunnel tested: 12 aero bikes (Cyclingnews Labs)

Cyclingnews, 2025-09 (1 year ago) · Silverstone Sports Engineering Hub wind tunnel, UK · 40 km/h · yaw -15° to +15° in 5° steps (7 angles), weighted average using Nathan Barry's 2018 real-world yaw distribution

Wind tunnel tested: 12 aero bikes (Cyclingnews Labs): CdA by bike, fastest first
#BikeCdA
1Cervélo S5SRAM Red AXS XPLR 1x0.3318 m²
2Factor PrototypePre-production UCI-legal prototype0.3319 m²
3Colnago Y1Rs0.3363 m²
4DARE Velocity Ace-AFO0.3387 m²
5Ridley Noah Fast 3.0Shimano Ultegra Di20.3393 m²
6Van Rysel RCR-FShimano Dura-Ace Di20.3404 m²
7Cube Litening Aero C:68XShimano Ultegra Di20.3406 m²
8Elves Falath EXP0.3407 m²
9Argon 18 Nitrogen Pro (prototype)Pre-production prototype0.3410 m²
10Scott Foil RCFoil RC Pro spec, Shimano Dura-Ace Di20.3421 m²
11Merida Reacto 9000Previous-generation Reacto, Ultegra Di20.3425 m²
12Bianchi Oltre RC0.3466 m²
13Trek Emonda ALR (2015)Baseline: rim brakes, shallow wheels, external cables0.3653 m²

Ownership checklist

2 of 2 known checks pass, 2 not published by Colnago. Why these checks

  • ✓

    Threaded bottom bracket

    BSA threaded

  • ?

    UDH derailleur hanger

  • ✓

    Standard 12×142 mm rear axle

    12x142 thru-axle

  • ?

    Works with mechanical shifting

Y1Rs geometry

Colnago Y1Rs geometry
XSSMLXL
Stack495 mm19.5″520 mm20.5″540 mm21.3″565 mm22.2″590 mm23.2″
Reach368 mm14.5″377 mm14.8″386 mm15.2″395 mm15.6″404 mm15.9″
Seat tube angle75°74.5°74°73.7°73°
Head tube angle70.8°71.9°73°73.5°73.5°
Head tube length88.5 mm3.5″108.5 mm4.3″126.5 mm5″150.5 mm5.9″176.5 mm6.9″
Chainstay408 mm16.1″408 mm16.1″408 mm16.1″408 mm16.1″408 mm16.1″
BB drop74 mm2.9″74 mm2.9″72 mm2.8″72 mm2.8″72 mm2.8″
Fork length376.5 mm14.8″376.5 mm14.8″376.5 mm14.8″376.5 mm14.8″376.5 mm14.8″
Fork offset55 mm2.2″49.5 mm1.9″45 mm1.8″42.5 mm1.7″42.5 mm1.7″
Trail61 mm2.4″59.5 mm2.3″57.5 mm2.3″57 mm2.2″57 mm2.2″
Front centre577.5 mm22.7″579.5 mm22.8″581 mm22.9″590 mm23.2″606 mm23.9″
Crank length170 mm6.7″170 mm6.7″170 mm6.7″172.5 mm6.8″172.5 mm6.8″

Side view

Drawn to scale (how to read it).

Colnago Y1Rs · M

How the geometry rides

The Y1Rs in size M against the middle size of 29 other bikes: tendencies from geometry, not a ride review (how to read this).

  • Trail57.5 mm2.3″

    shortestlonger than 7% of 29 bikeslongest

    Shorter trail than most: steering reacts quicker, so it can feel nervous on the extensions in crosswinds.

  • Front centre581 mm22.9″

    shortestlonger than 22% of 29 bikeslongest

    Short front centre: more weight on the front wheel, which can make the front feel lighter to steer.

  • Chainstay408 mm16.1″

    shortestlonger than 27% of 73 bikeslongest

Compare on the stack & reach chart

Good to know

  • Design

    Colnago claims the frame is 3.5% stiffer than the V4Rs in its sprint stiffness test and equal in its seated-climbing test. The more inclined seatpost in the Y joint is meant to add comfort over long efforts.

    Source
  • Aerodynamics

    In Colnago's tunnel tests the bike alone needed 103 W at 0° yaw (117 W weighted average) against 123 W (145 W) for the V4Rs. With a mannequin it needed 395 W (474 W weighted) against 415 W (499 W). Colnago says the gap to its closest competitor is small in still air and grows as the wind comes more from the side.

    Source
  • Fit

    Compared with the V4Rs, the geometry has slightly steeper head and seat angles and a higher reach-to-stack ratio for a lower, longer position. Each size has its own fork rake to keep trail between 57 and 61 mm. The CC.Y1 cockpit comes in 10 sizes: 377 or 397 mm at the hoods with 95 to 135 mm stems.

    Source
  • Compatibility

    Tyre clearance is 32 mm (nominal width). The white paper puts the frame-kit weight at 1,422 g, against 1,173 g for the V4Rs.

    Source
  • Maintenance

    Colnago publishes an assembly support manual and 3D-printable parts files for a transponder holder and a race-number grommet for the seatpost.

    Source
  • History

    Colnago presented the Y1Rs in December 2024. Development started in 2021, when the UCI had just announced rules allowing 8:1 tube profiles and new seatpost positions.

    Source
  • History

    TOUR magazine reported the launch of the Y1Rs on 9 December 2024, quoting a frame weight of 965 g and fork weight of 450 g (unpainted).

    Source

Y1Rs FAQ

How much does the Colnago Y1Rs weigh?+

The lightest complete build listed (Y1Rs Shimano Dura-Ace Di2) weighs 7.2 kg (15.9 lb) in size M. The frame weighs 972 g (34.3 oz) (Ready-to-paint (unpainted) frame without removable parts, size not stated; frameset weight is frame plus fork (Y1Rs white paper)). The frameset weighs 1,422 g (3.13 lb).

What sizes does the Colnago Y1Rs come in?+

5 sizes: XS, S, M, L and XL.

What is the tire clearance of the Colnago Y1Rs?+

Up to 32 mm tires on 700c wheels.

Which groupsets are compatible with the Colnago Y1Rs?+

Drivetrain compatibility: Electronic groupsets; offered with Campagnolo Super Record Wireless, Shimano Dura-Ace Di2 and Ultegra Di2, SRAM Red AXS E1 and Force AXS E1. Bottom bracket: BSA threaded.

What builds of the Colnago Y1Rs are available?+

Y1Rs Campagnolo Super Record Wireless: Campagnolo Super Record Wireless; Y1Rs Shimano Dura-Ace Di2: Shimano Dura-Ace Di2 R9200; Y1Rs SRAM Red AXS E1: SRAM Red AXS E1; Y1Rs Shimano Ultegra Di2: Shimano Ultegra Di2 R8100; Y1Rs SRAM Force AXS E1: SRAM Force AXS E1.

What warranty does the Colnago Y1Rs frame have?+

Two-year statutory warranty, plus one extra year when the bike is registered on the Colnago blockchain

Is the Colnago Y1Rs aerodynamic?+

20 W less than the V4Rs at 50 km/h with a rider mannequin (395 W vs 415 W at 0° yaw); 19% smaller frontal area than the V4Rs (23,438 vs 28,698 mm² without the drops) (CFD refined with Politecnico di Milano and Khalifa University using pressure mapping on a 3D-printed test frame (about 70 sensors), then wind tunnel tests at 50 km/h of the bike alone and with a 3D-printed mannequin in a WorldTour position)

Sources