Trek Fuel EX 9.8 Gen 6 XT

Name: Trek Fuel EX 9.8 Gen 6 XT
Brand: Trek

2023 MountainTrail Manufacturer page

Trek Fuel EX 9.8 Gen 6 XT, color Deep Smoke

Travel: 150 / 140 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 12 30t / 10–51t
Gear range: 510%
Weight: 14.33 kg 31.6 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

MD 165–177
MD 165–177

Components

17 of 19 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, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9 mm seat tube, ISCG 05, 55 mm chain line, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140 mm travel Not identified

Suspension

2 parts

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

3 parts

Cockpit and contact points

5 parts

Grips
- Bontrager
Handlebar
- Bontrager
Headset

Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible Not identified
Saddle
- Bontrager
Seatpost
- Bontrager

Sizes and geometry

2 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 456mm

Stack 612mm

Wheelbase 1212mm

Head angle 65.1°

Seat angle 78.8°

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 2 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	456	450
Stackmm	612	617
Top tube lengthmm	583	584
Seat tube lengthmm	410	410
Head tube lengthmm	100	100
Head tube angle	65.1°	64.5°
Seat tube angle	78.8°	78.2°
Chainstay lengthmm	433	435
Wheelbasemm	1212	1213
Front centermm	781	781
Bottom bracket dropmm	31	38
Bottom bracket heightmm	343	336
Standover heightmm	744	737
Fork rakemm	49	48
Trailmm	125	129
Stack/reach ratio	1.34	1.37

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: 14.33 kg

31.6 lb
Weight limit: 136 kg

299.8 lb

Suspension

Suspension configuration: Full suspension
Front travel: 150 mm
Rear travel: 140 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 30
Largest chainring: 30
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51
Lowest gear: 17.1 in
Highest gear: 87.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire clearance: Maximum tire width: 2.5″
Tire width: 2.5″
Wheel material: Carbon
Wheel size: 29″

Technical analysis

4 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: 2023
Sample: 2,192 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

17.1 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2023
Sample: 1,625 bicycles with this information
Coverage: 72.2% of the class

Highest gear

87.0 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2023
Sample: 1,625 bicycles with this information
Coverage: 72.2% of the class

Shifting

Mechanical

359 of 2,248 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2023
Sample: 2,248 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.5 km/h
Highest gear: 33.3 km/h

Total gear range 510%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 17.1–87.0 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2023
Lowest gear: 1625 bicycles with this information, 72.2% of the class
Highest gear: 1625 bicycles with this information, 72.2% 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 2023 builds

Differences across 2023 builds
Specification	This bicycle Trek Fuel EX 9.8 Gen 6 XT	Trek Fuel EX 5 Gen 5	Trek Fuel EX 7 Gen 5	Trek Fuel EX 7 Gen 6	Trek Fuel EX 8 Gen 5	Trek Fuel EX 8 Gen 6
Frame
Frame material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Bicycle weight	14.33 kg	15.7 kg	14.48 kg	15.97 kg	13.86 kg	15.65 kg
Fork material	Not informed	Not informed	Not informed	Not informed	Not informed	Aluminum
Suspension
Front travel	150 mm	140 mm	140 mm	150 mm	140 mm	140 mm
Rear travel	140 mm	130 mm	130 mm	140 mm	130 mm	140 mm
Drivetrain
Front chainrings	1	1	1	1	Not informed	1
Smallest chainring	30	30	30	30	Not informed	30
Largest chainring	30	30	30	30	Not informed	30
Smallest sprocket	10	10	11	10	10	10
Largest sprocket	51	51	50	51	51	51
Lowest gear	17.1 in	17.1 in	17.4 in	17.1 in	Not informed	17.1 in
Highest gear	87.0 in	87.0 in	79.1 in	87.0 in	Not informed	87.0 in
Cockpit
Derailleur hanger	UDH	Not informed	Not informed	UDH	Not informed	UDH
Other specifications
Bottom bracket standard	BSA	BB86/BB92	BB86/BB92	BSA	BB86/BB92	BSA
Tire clearance	Maximum tire width: 2.5″	Maximum tire width: 2.6″	Maximum tire width: 2.6″	Maximum tire width: 2.5″	Maximum tire width: 2.6″	Maximum tire width: 2.5″
Tire width	2.5″	2.6″	2.6″	2.5″	2.5″	2.5″
Wheel material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Wheel size	29″	27.5″ / 29″	29″	27.5″ / 29″	29″	27.5″ / 29″