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The fastest bike for Watts the Limit

  • 31.0 km with the 1.4 km lead-in
  • 219 m of climbing
  • 6.8 m/km climb ratio
  • 2 sprints
  • All tarmacSurface
0 km15.5 km31.0 kmThe dashed start is the lead-in, which has no measured profile, so its shape is approximated.

Fastest eligible setup · Standard (Road) · verified data only · Halo bikes hidden

with Cadex 4-Spoke/Disc wheels

55:25

33.5 km/h averageestimated for 1 lap with the lead-in

Data
Frame and wheels bot-tested
Upgrades
Ranked at upgrade stage 5, assumed for bikes you don't own
See the full ranking

If time-trial frames are allowed

Factor Hanzō with Cadex 4-Spoke/Disc (Time Trial)

TT frames are barred in many races.

53:19

2:06 faster

What's the fastest bike for Watts the Limit?

ZwiftBikes predicts the Specialized S-Works Tarmac SL9 with Cadex 4-Spoke/Disc is the best bike and wheels for Watts the Limit in New York: the fastest road setup for a 75 kg rider at 225 W, finishing in 55:25 (~33.5 km/h). The Wilier Filante SLR ID2 Team with Cadex 4-Spoke/Disc is 0.83 s behind. Where TT bikes are allowed, the Factor Hanzō with Cadex 4-Spoke/Disc is 2:06 quicker.

75 kg / 175 cm / 225 W / solo; 1 lap, including any lead-in once. Standard (Road); verified only; unowned Halo bikes excluded.

Every setup, ranked

Gap to the fastest. Open a row for its wheels, upgrades and the numbers behind it.

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Pick up to 3 setups in their rows to compare them.
# Frame and wheels Time Gap Gap axis Aero / climb Style Details
1

Cadex 4-Spoke/Disc

55:25fastest
95 / 83all-round
2

Cadex 4-Spoke/Disc

55:26+0.83 s
95 / 75all-round
3

Cadex 4-Spoke/Disc

55:26+1.13 s
96 / 72aero
4

Cadex 4-Spoke/Disc

55:27+1.42 s
95 / 75aero
5

Cadex 4-Spoke/Disc

55:27+1.51 s
94 / 82climbing
6

Same frame in another paint: Canyon Aeroad CFR Alpecin Premier-Tech

Cadex 4-Spoke/Disc

55:27+1.52 s
95 / 74aero
7

Cadex 4-Spoke/Disc

55:27+1.53 s
94 / 78aero
8

Cadex 4-Spoke/Disc

55:27+1.91 s
93 / 83all-round
9

Cadex 4-Spoke/Disc

55:27+1.96 s
95 / 70aero

Something here look wrong? Report it – corrections with a source get folded back into the data.

Why this bike wins here

Watts the Limit is rolling, with 6.8 m of climbing per kilometre, the kind of course where aerodynamics usually counts for far more than low weight. The Specialized S-Works Tarmac SL9 is an all-round frame. Disc or regular wheels is a close call: the Cadex 4-Spoke/Disc is 5.0 s faster than the SwissSide HADRON Ultimate 650, but 0.37 kg heavier.

What the terrain rewards, from its climbing alone: aerodynamics against low weight

Aerodynamics 86%Weight on climbs 14%

Drag area against the stock bike
−0.0360 m²
Mass against the stock bike
−1.59 kg
Rolling resistance change
−0.0003
Time lost to rough surfaces
none
Physics model
Dynamic, measured geometry

The course

1 lap; kilometre positions include the lead-in, ridden once.

  1. 0.2 km · 1.3%

  2. Fastest bike for Manhattan Sprint

    Sprint · km 20.3 to 20.6

    0.2 km · 0.3%

Dynamic physics model active

Every time below is simulated for your weight, height and power over this route’s real, measured elevation data.