Aero test · TOUR
Record-breaking test: Four aero road bikes compared by wattage
Launched since and not tested here: Canyon Aeroad CFR, Canyon Speedmax CF SLX, Canyon Speedmax CFR, Colnago TT2, Cube Litening Aero C:68X, Eddy Merckx 525R, ENVE Melee, Look 795 Blade RS 3, Megamo Pulse SL, Megamo Pulse SLR, Specialized S-Works Tarmac SL9, Specialized Tarmac SL9.
| # | Bike | Power to overcome drag | Gap to fastest |
|---|---|---|---|
| 1 | Stromm RakttSRAM Red AXS 1x12, Zipp 454 NSW | 196.4 W | fastest |
| 2 | Merida Reacto OneREACTO ONE build: Dura-Ace Di2, DT Swiss ARC 1100, aero front tyre | 197.4 W | +1 W |
| 3 | Factor ONEDura-Ace Di2, Black Inc Sixty Two, Conti GP5000 TT 28 mm | 202.3 W | +5.9 W |
| 3 | Ridley Noah Fast1x SRAM, DT Swiss ARC 1400 (65 mm), Conti Aero 111 | 202.3 W | +5.9 W |
Test conditions
- Publisher
- TOUR
- Published
- 2026-04 (this year)
- Method
- Wind tunnel
- Facility
- GST wind tunnel, Immenstaad, Germany
- Speed
- 45 km/h
- Yaw angles
- -20° to +20° swept continuously, weighted for a 10 km/h mean wind
- Measured
- Power to overcome drag
- Independent
- Yes
Setup
TOUR's standard rig: a torso-less dummy with pedalling legs (no rider). Same handlebar height on every bike, one cage with a 0.75 l bottle. Bikes tested as sold, with stock wheels and tyres.
One measurement campaign in February 2026. TOUR states ±0.25 W repeatability within a campaign. Values are the decimals printed in the text; the summary table rounds them. TOUR also printed tuning runs on DT Swiss ARC 1100 65 wheels with Conti Aero 111 tyres (Stromm 194.9 W, Factor One 198.2 W). Method: https://www.tour-magazin.de/en/buying-advice/components/how-tour-tests/how-tour-tests-aero-road-bike-test-in-the-wind-tunnel/
Read the original test