ZwiftBikes
Back to all routes

Flat Irons

New York

RollingDynamic physics

Distance

15.4 km

Elevation

148 m

Climb ratio

9.8 m/km

Terrain

Rolling

Lead-in: 0.6 km / 2 m (ridden once, not repeated per lap)

What's the fastest bike for Flat Irons?

Based on our physics model, the Specialized PROJECT 74 is currently the fastest verified combo for Flat Irons in New York, finishing in 27:24 (~33.8 km/h).

Dynamic physics model active
Dynamic physics is active. Rider height affects aerodynamic drag; route geometry is currently synthesized from aggregate distance/elevation - no named climbs are mapped for this route.

Best bike & wheel combo for this route

Only show verified frames/wheels
Only show items in my garage(edit garage)
(edit profile)
Fastest overall: Canyon Speedmax CFR with DTSwiss ARC 1100 DICUT 85/Disc Time Trial — 39s quicker. TT bikes are restricted in many events.
1

Specialized PROJECT 74

Fixed disc wheels (not swappable)

84

match score

Est. finish time: 27:24(33.8 km/h)
Standard (Road)allrounder style Fixed disc wheels frame verified wheels fixed Level 5
Aero (flat/fast): 72 Climbing: 12
2

Specialized Tarmac SL9

SwissSide HADRON Ultimate 650

89

match score

+1.56s slower(33.7 km/h)
Standard (Road)allrounder style Aero wheels frame verified wheels verified Level 5
Aero (flat/fast): 69 Climbing: 20
3

Specialized Tarmac SL9

DTSwiss ARC 1100 DICUT 85/Disc

86

match score

+1.73s slower(33.7 km/h)
Standard (Road)allrounder style Disc / TT wheels frame verified wheels verified Level 5
Aero (flat/fast): 70 Climbing: 16
4

Cannondale SuperSix EVO LAB71 Team

SwissSide HADRON Ultimate 650

89

match score

+1.91s slower(33.7 km/h)
Standard (Road)climb style Aero wheels frame verified wheels verified Level 5
Aero (flat/fast): 69 Climbing: 20
5

Cannondale SuperSix EVO LAB71 Team

DTSwiss ARC 1100 DICUT 85/Disc

86

match score

+2.08s slower(33.7 km/h)
Standard (Road)climb style Disc / TT wheels frame verified wheels verified Level 5
Aero (flat/fast): 70 Climbing: 16
6

Canyon Aeroad 2024 / SRAM

SwissSide HADRON Ultimate 650

88

match score

+2.12s slower(33.7 km/h)
Standard (Road)aero style Aero wheels frame verified wheels verified Level 5
Aero (flat/fast): 69 Climbing: 19
7

Canyon Aeroad CFR Alpecin Premier-Tech

SwissSide HADRON Ultimate 650

88

match score

+2.12s slower(33.7 km/h)
Standard (Road)aero style Aero wheels frame verified wheels verified Level 5
Aero (flat/fast): 69 Climbing: 19
8

Zwift Concept Z1

Fixed disc wheels (not swappable)

89

match score

+2.20s slower(33.7 km/h)
Standard (Road)aero style Fixed disc wheels frame verified wheels fixed Level 5
Aero (flat/fast): 72 Climbing: 17
9

Canyon Aeroad 2024 / SRAM

DTSwiss ARC 1100 DICUT 85/Disc

84

match score

+2.24s slower(33.7 km/h)
Standard (Road)aero style Disc / TT wheels frame verified wheels verified Level 5
Aero (flat/fast): 70 Climbing: 14