Trek Top Fuel 8

2010 MountainCross-country

Travel: 100 / 100 mm Fork / rear shock
Wheels: 26″
Drivetrain: 3 × 9 22–44t / 11–32t
Gear range: 582%
Frame: Aluminum
Brakes: Mechanical disc

Rider height by size (cm)

Size guide

15.5" 154–169
17.5" 166–180
18.5" 176–188
19.5" 177–189
21.5" 186–196

Components

14 of 15 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

Alpha Red Aluminum w/ABP Race, Full Floater, magnesium EVO Link, oversized pivot bearings, replaceable derailleur hanger, 100mm travel Not identified

Drivetrain

5 parts

Brakes

1 part

Brakes
- Shimano SLX

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

5 sizes

Enter your height to highlight matching ranges.

Size Reported by the manufacturer

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Full suspension
Front travel: 100 mm
Rear travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 3
Smallest chainring: 22
Largest chainring: 44
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 32
Lowest gear: 17.9 in
Highest gear: 104.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 2.25″
Wheel material: Aluminum
Wheel size: 26″

Technical analysis

2 measures

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

Lowest gear

17.9 gear inches

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2010
Sample: 186 bicycles with this information
Coverage: 75.6% of the class

Highest gear

104.0 gear inches

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2010
Sample: 186 bicycles with this information
Coverage: 75.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.8 km/h
Highest gear: 39.8 km/h

Total gear range 582%

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: 17.9–104.0 gear inches
Class reference (p10–p90): 16.8–116.0 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Cross-country Model year: 2010
Lowest gear: 186 bicycles with this information, 75.6% of the class
Highest gear: 186 bicycles with this information, 75.6% 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 2010 builds

Differences across 2010 builds
Specification	This bicycle Trek Top Fuel 8	Trek Top Fuel 8 WSD	Trek Top Fuel 9	Trek Top Fuel 9.8	Trek Top Fuel 9.8 WSD	Trek Top Fuel 9.9 SSL
Frame
Intended fit	Unisex	womens	Unisex	Unisex	womens	Unisex
Frame material	Aluminum	Aluminum	Aluminum	Carbon	Carbon	Carbon
Drivetrain
Front chainrings	3	3	3	3	3	2
Smallest chainring	22	22	22	22	22	28
Largest chainring	44	44	44	44	44	42
Rear sprockets	9	9	9	9	9	10
Largest sprocket	32	32	32	32	32	36
Lowest gear	17.9 in	17.9 in	17.9 in	17.9 in	17.9 in	20.2 in
Highest gear	104.0 in	104.0 in	104.0 in	104.0 in	104.0 in	99.3 in
Brakes
Brake type	Mechanical disc	Mechanical disc	Mechanical disc	Hydraulic disc	Hydraulic disc	Hydraulic disc
Other specifications
Tire width	2.25″	2.25″	2.25″	2″	2″	2″
Bottom bracket standard	Not informed	Not informed	BSA	BSA	BSA	Not informed