Trek Fuel+ EX 9.9 Gen 2 X0 AXS

Name: Trek Fuel+ EX 9.9 Gen 2 X0 AXS
Brand: Trek

2026 MountainTrail Electric bicycle Manufacturer page

Last known price: $11,499

Prices shown first for United States
Travel: 150 / 145 mm Fork / rear shock
Wheels: 29″ / 27.5″, 29″
Drivetrain: 1 × 12 10–52t
Gear range: 520%
Battery: 580 Wh
Weight: 19.58 kg 43.2 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

15.5" 155–166
17.5" 164–178
19.5" 176–189
21.5" 187–196
23" 194–203

Components

20 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

OCLV Mountain Carbon, removable battery, ZS headset, adjustable leverage rate, guided internal routing, interchangeable alloy rocker link, interchangeable lower shock mount, downtube guard, shuttle guard, ABP, UDH, Boost148, adaptable travel 145mm-160mm Not identified

Electric system

4 parts

Battery
- TQ
Charger
- TQ
Display
- TQ
Motor
- TQ
TQ-HPR60

Suspension

3 parts

Drivetrain

5 parts

Brakes

2 parts

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Grips
- Trek
Handlebar
- Race Face Era
Saddle

Verse Short Pro, carbon rails, 145mm width Not identified
Seatpost
- RockShox Reverb AXS
Stem
- Race Face Turbine R 35

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size 19.5"

Table

Reach 485mm

Stack 638mm

Wheelbase 1258mm

Head angle 64.5°

Seat angle 77.3°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	431	460	485	510	530
Stackmm	624	624	638	651	665
Top tube lengthmm	559	589	613	651	680
Seat tube lengthmm	370	400	420	455	475
Head tube lengthmm	110	110	125	140	155
Head tube angle	64.6°	64.5°	64.5°	64.5°	64.5°
Seat tube angle	78.2°	77.8°	77.3°	76.9°	76.4°
Chainstay lengthmm	441	444	444	447	452
Wheelbasemm	1200	1232	1258	1298	1330
Front centermm	761	791	822	854	880
Bottom bracket dropmm	34	35	35	35	35
Bottom bracket heightmm	—	339	339	339	339
Standover heightmm	754	747	750	755	764
Fork rakemm	44	44	39	44	44
Trailmm	129	129	129	129	129
Stack/reach ratio	1.45	1.36	1.32	1.28	1.26

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Bicycle weight: 19.58 kg

43.2 lb
Weight limit: 136 kg

299.8 lb

Suspension

Suspension configuration: Full suspension
Front travel: 150 mm
Rear travel: 145 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 52

Wheels and brakes

Wheel configuration: Different sizes
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Electronic

Electric system

Battery capacity: 580 Wh

Additional specifications

Battery: TQ 580Wh
Fork spring: Air
Tire clearance: Maximum tire width: 2.5″
Tire width: 2.5″
Wheel material: Carbon
Wheel size: 29″, 27.5″

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

150 mm

This value is above the central range for this class.

Cohort: Mountain / Trail Model year: 2026
Sample: 1,640 bicycles with this information
Coverage: 96.3% of the class

Shifting

Electronic

388 of 1,702 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2026
Sample: 1,702 bicycles with this information
Coverage: 100.0% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification	This bicycle Trek Fuel+ EX 9.9 Gen 2 X0 AXS	Trek Fuel+ EX 5 Gen 2	Trek Fuel+ EX 8 Gen 2	Trek Fuel+ EX 9.7 Gen 2	Trek Fuel+ EX 9.8 Eagle 90 Gen 2	Trek Fuel+ EX 9.8 Gen 2 XT Di2
Frame
Frame material	Carbon	Aluminum	Aluminum	Carbon	Carbon	Carbon
Bicycle weight	19.58 kg	21.92 kg	21.08 kg	19.73 kg	20.38 kg	20.18 kg
Drivetrain
Largest sprocket	52	51	52	52	52	51
Smallest chainring	Not informed	32	Not informed	Not informed	32	32
Largest chainring	Not informed	32	Not informed	Not informed	32	32
Lowest gear	Not informed	18.2 in	Not informed	Not informed	17.9 in	18.2 in
Highest gear	Not informed	92.8 in	Not informed	Not informed	92.8 in	92.8 in
Cockpit
Shifting	Electronic	Mechanical	Mechanical	Mechanical	Mechanical	Electronic
Other specifications
Wheel material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum