Flatbar X Ambition
Poseidon
Gravel
Flatbar X Ambition is an alloy gravel road bike (2024), by Poseidon, in the Flatbar series. It suits riders who prioritize comfort, confidence, and longer rides, leaning toward a comfort-leaning riding position, and is ready for gravel routes as well as pavement. Standout strengths from the metrics include strong value-for-money versus many similar bikes, strong climbing friendliness for sustained uphill riding, and good fit flexibility for dialing in rider position. At the same time, the main limitation versus more focused builds is less emphasis on outright speed than speed-focused builds. Compare this bike on MatchBikes.com to similar gravel models.
6.0
Rating

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Score Summary
Performance
4.1
Value
10.0
Fit
6.2
Performance
Built for speed and efficiency
Speed
2.3
Very Low
Climbing Efficiency
8.3
Climber
Aerodynamics
4.5
Minimal Aero
Fit
Dialed-in Fit & Comfort
Riding Position
5.0
Comfort
Fit Flexibility
7.0
Adjustable
Ride Comfort
6.0
Balanced
Value
Value for Money
10.0
Exceptional Value
Surface Range
Gravel ReadySpecifications
General
Brand
Poseidon
Model
Flatbar X Ambition
Year
2024
Price
$649
Weight
11.34 kg
Category
Road
Sub Category
Gravel
Groupset
microSHIFT Advent X
Frame
Frame
6061 Double Heat Treated Aluminum (lifetime warranty). Uses an IS 42/52 Headset.
Suspension Fork
Full Carbon
Suspension Type
Rigid
Drivetrain
Shift Levers
Microshift Advent X.
Rear Derailleur
Microshift 10-Speed Advent X with Clutch.
Cassette
11-48 10-speed Microshift Advent X.
Crank
Prowheel Charm 170mm Crankset with 38t 104 BCD Narrow-Wide Chainring.
Bottom Bracket
68 x 110.5 English Threaded Square Taper.
Chain
KMC X10
Wheels
Rims
700c Quick-Release Clincher Wheels. 32h rims with hub spacing of 100mm (front) and 135mm (back). 19mm inner rim width, we recommend a tire range of 700x25-42 on the X frames.
Tires
700 x 40 Kenda Happy Medium
Brakes
Brake Type
Mechanical Disc
Brake Description
MD-C550 Mechanical Flat Mount Brake Calipers.
Brake Levers
Flatbar Tektro Mechanical Short-pull.
Seat
Seatpost
27.2 Alloy
Geometry
| Measurement | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Wheels | 700 | 700 | 700 | 700 | 700 |


















































