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Fuel EX AL Gen 6 Frameset

Model 5279962

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Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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Frame	Alpha Platinum Aluminum, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
Shock	Fox Performance Float X, 2-position damper, 185mm x 55mm
Max compatible fork travel	160mm

Frame

Alpha Platinum Aluminum, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel

Shock

Fox Performance Float X, 2-position damper, 185mm x 55mm

Max compatible fork travel

160mm

Skewer rear	Bontrager Switch thru axle, removable lever
Max tire size	Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer

Skewer rear

Bontrager Switch thru axle, removable lever

Max tire size

Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer

Max chainring size	1x: 34T round, 32T oval, min 28T

Headset	Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
Rotor size	Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer

Headset

Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible

Rotor size

Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer

Bag	Bontrager BITS Internal Frame Storage Bag

Weight	M - 4.60 kg / 10.15 lbs
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Weight

M - 4.60 kg / 10.15 lbs

Weight limit

This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Size	Rider Height	Inseam
XS	145 - 155 cm 4'9" - 5'1"	69 - 73 cm 27" - 29"
S	155 - 165 cm 5'1" - 5'5"	74 - 78 cm 29" - 31"
M	165 - 176 cm 5'5" - 5'9"	79 - 83 cm 31" - 33"
ML	173 - 180 cm 5'8" - 5'11"	81 - 86 cm 32" - 34"
L	177 - 188 cm 5'10" - 6'2"	84 - 89 cm 33" - 35"
XL	188 - 195 cm 6'2" - 6'5"	89 - 91 cm 35" - 36"
2XL	195 - 203 cm 6'5" - 6'8"	91 - 97 cm 36" - 38"

A	Wheelsize
B	Frame Reach Length parallel to the ground from center of bottom bracket to center of the headtube.
C	Effective Top Tube The distance parallel to the ground from the center of the top of the head tube to the intersection of the effective seat tube.
D	Seat Tube Center of the bottom bracket to the top of seat tube.
E	Seat Tube Angle
F	Effective Seat Tube Angle The angle between a line parallel to the ground and a line from the middle of the bottom bracket to the top of the saddle. The saddle height varies proportionately by size. XS – 630mm S – 665mm M – 700mm ML – 735mm L – 770mm XL – 800mm XXL – 830mm
G	Frame Stack Vertical distance from center of the bottom bracket to a line parallel to the ground at the top of the headtube
H	Head Tube Length
I	Head angle
J	Fork Axle-To-Crown
K	Bottom Bracket Height Height from the ground to the bottom of the bottom bracket.
L	Bottom Bracket Drop The difference in height between a line parallel to the ground from the rear axle to the bottom bracket.
M	Chainstay Length Center of rear axle to center of bottom bracket.
N	Wheelbase Distance on ground from rear axle to front axle.
O	Standover From an imaginary line perpendicular to the ground 100mm forward of the bottom bracket to the top of the top tube.
P	Offset Distance from the steering axis to front axle.
Q	Trail Distance on the ground between a vertical line from the center of the front axle and the steering axis.

		XS	S 27.5	S 29	M	ML	L	XL	XXL
A	Wheelsize	27.5	27.5	29	29	29	29	29	29
B	Frame Reach Length parallel to the ground from center of bottom bracket to center of the headtube.	400.2	430.2	425.0	450.0	470.0	485.0	515.0	545.0
C	Effective Top Tube The distance parallel to the ground from the center of the top of the head tube to the intersection of the effective seat tube.	516.2	550.5	553.8	584.1	607.4	626.9	661.8	696.6
D	Seat Tube Center of the bottom bracket to the top of seat tube.	360.0	380.0	380.0	410.0	420.0	435.0	470.0	500.0
E	Seat Tube Angle	70.8	70.8	70.8	70.8	70.8	70.8	70.8	70.8
F	Effective Seat Tube Angle The angle between a line parallel to the ground and a line from the middle of the bottom bracket to the top of the saddle. The saddle height varies proportionately by size. XS – 630mm S – 665mm M – 700mm ML – 735mm L – 770mm XL – 800mm XXL – 830mm	78.6	78.2	78.6	78.2	77.5	77.2	76.6	76.0
G	Frame Stack Vertical distance from center of the bottom bracket to a line parallel to the ground at the top of the headtube	574.1	574.1	612.3	616.8	616.8	621.3	634.9	648.4
H	Head Tube Length	95.0	95.0	95.0	100.0	100.0	105.0	120.0	135.0
I	Head angle	64.5	64.5	64.5	64.5	64.5	64.5	64.5	64.5
J	Fork Axle-To-Crown	533.0	533.0	561.0	561.0	561.0	561.0	561.0	561.0
K	Bottom Bracket Height Height from the ground to the bottom of the bottom bracket.	332.0	332.0	335.0	335.0	335.0	335.0	335.0	335.0
L	Bottom Bracket Drop The difference in height between a line parallel to the ground from the rear axle to the bottom bracket.	25.0	25.0	38.0	38.0	38.0	38.0	38.0	38.0
M	Chainstay Length Center of rear axle to center of bottom bracket.	435.0	435.0	435.0	435.0	440.0	440.0	445.0	450.0
N	Wheelbase Distance on ground from rear axle to front axle.	1144.8	1174.8	1185.9	1213.0	1233.1	1250.2	1286.7	1323.2
O	Standover From an imaginary line perpendicular to the ground 100mm forward of the bottom bracket to the top of the top tube.	716.8	723.8	736.8	736.8	741.8	747.8	766.8	773.8
P	Offset Distance from the steering axis to front axle.	44.0	44.0	44.0	44.0	44.0	44.0	44.0	44.0
Q	Trail Distance on the ground between a vertical line from the center of the front axle and the steering axis.	121.6	121.6	129.2	129.2	129.2	129.3	129.3	129.3

A	Wheelsize
B	Frame Reach Length parallel to the ground from center of bottom bracket to center of the headtube.
C	Effective Top Tube The distance parallel to the ground from the center of the top of the head tube to the intersection of the effective seat tube.
D	Seat Tube Center of the bottom bracket to the top of seat tube.
E	Seat Tube Angle
F	Effective Seat Tube Angle The angle between a line parallel to the ground and a line from the middle of the bottom bracket to the top of the saddle. The saddle height varies proportionately by size. XS – 630mm S – 665mm M – 700mm ML – 735mm L – 770mm XL – 800mm XXL – 830mm
G	Frame Stack Vertical distance from center of the bottom bracket to a line parallel to the ground at the top of the headtube
H	Head Tube Length
I	Head angle
J	Fork Axle-To-Crown
K	Bottom Bracket Height Height from the ground to the bottom of the bottom bracket.
L	Bottom Bracket Drop The difference in height between a line parallel to the ground from the rear axle to the bottom bracket.
M	Chainstay Length Center of rear axle to center of bottom bracket.
N	Wheelbase Distance on ground from rear axle to front axle.
O	Standover From an imaginary line perpendicular to the ground 100mm forward of the bottom bracket to the top of the top tube.
P	Offset Distance from the steering axis to front axle.
Q	Trail Distance on the ground between a vertical line from the center of the front axle and the steering axis.

		XS	S 27.5	S 29	M	ML	L	XL	XXL
A	Wheelsize	27.5	27.5	29	29	29	29	29	29
B	Frame Reach Length parallel to the ground from center of bottom bracket to center of the headtube.	400.2	430.2	425.0	450.0	470.0	485.0	515.0	545.0
C	Effective Top Tube The distance parallel to the ground from the center of the top of the head tube to the intersection of the effective seat tube.	516.2	550.5	553.8	584.1	607.4	626.9	661.8	696.6
D	Seat Tube Center of the bottom bracket to the top of seat tube.	360.0	380.0	380.0	410.0	420.0	435.0	470.0	500.0
E	Seat Tube Angle	70.8	70.8	70.8	70.8	70.8	70.8	70.8	70.8
F	Effective Seat Tube Angle The angle between a line parallel to the ground and a line from the middle of the bottom bracket to the top of the saddle. The saddle height varies proportionately by size. XS – 630mm S – 665mm M – 700mm ML – 735mm L – 770mm XL – 800mm XXL – 830mm	78.6	78.2	78.6	78.2	77.5	77.2	76.6	76.0
G	Frame Stack Vertical distance from center of the bottom bracket to a line parallel to the ground at the top of the headtube	574.1	574.1	612.3	616.8	616.8	621.3	634.9	648.4
H	Head Tube Length	95.0	95.0	95.0	100.0	100.0	105.0	120.0	135.0
I	Head angle	64.5	64.5	64.5	64.5	64.5	64.5	64.5	64.5
J	Fork Axle-To-Crown	533.0	533.0	561.0	561.0	561.0	561.0	561.0	561.0
K	Bottom Bracket Height Height from the ground to the bottom of the bottom bracket.	332.0	332.0	335.0	335.0	335.0	335.0	335.0	335.0
L	Bottom Bracket Drop The difference in height between a line parallel to the ground from the rear axle to the bottom bracket.	25.0	25.0	38.0	38.0	38.0	38.0	38.0	38.0
M	Chainstay Length Center of rear axle to center of bottom bracket.	435.0	435.0	435.0	435.0	440.0	440.0	445.0	450.0
N	Wheelbase Distance on ground from rear axle to front axle.	1144.8	1174.8	1185.9	1213.0	1233.1	1250.2	1286.7	1323.2
O	Standover From an imaginary line perpendicular to the ground 100mm forward of the bottom bracket to the top of the top tube.	716.8	723.8	736.8	736.8	741.8	747.8	766.8	773.8
P	Offset Distance from the steering axis to front axle.	44.0	44.0	44.0	44.0	44.0	44.0	44.0	44.0
Q	Trail Distance on the ground between a vertical line from the center of the front axle and the steering axis.	121.6	121.6	129.2	129.2	129.2	129.3	129.3	129.3

A	Wheelsize
B	Frame Reach Length parallel to the ground from center of bottom bracket to center of the headtube.
C	Effective Top Tube The distance parallel to the ground from the center of the top of the head tube to the intersection of the effective seat tube.
D	Seat Tube Center of the bottom bracket to the top of seat tube.
E	Seat Tube Angle
F	Effective Seat Tube Angle The angle between a line parallel to the ground and a line from the middle of the bottom bracket to the top of the saddle. The saddle height varies proportionately by size. XS – 630mm S – 665mm M – 700mm ML – 735mm L – 770mm XL – 800mm XXL – 830mm
G	Frame Stack Vertical distance from center of the bottom bracket to a line parallel to the ground at the top of the headtube
H	Head Tube Length
I	Head angle
J	Fork Axle-To-Crown
K	Bottom Bracket Height Height from the ground to the bottom of the bottom bracket.
L	Bottom Bracket Drop The difference in height between a line parallel to the ground from the rear axle to the bottom bracket.
M	Chainstay Length Center of rear axle to center of bottom bracket.
N	Wheelbase Distance on ground from rear axle to front axle.
O	Standover From an imaginary line perpendicular to the ground 100mm forward of the bottom bracket to the top of the top tube.
P	Offset Distance from the steering axis to front axle.
Q	Trail Distance on the ground between a vertical line from the center of the front axle and the steering axis.

We’ll make this a great experience

Delivered the way you want

30-day Unconditional Guarantee

Overview

It's right for you if...

The tech you get

The final word

The Walkthrough

Why you'll love it

Pinkbike's 2022 Mountain Bike of the Year

Editor's Choice: Best Mid-Travel Trail Bike

"Our favorite Trek"

"Fuel EX is a masterpiece"

Editor's Choice

"Loves to ride fast, both up and down"

"Ready for anything"

More options

Fuel EX 8 GX AXS T-Type Gen 6

Fuel EX 9.8 GX AXS T-Type Gen 6

Fuel EX 9.9 XX1 AXS Gen 6

Fuel EX 9.8 GX AXS Gen 6

Fuel EX 8 Gen 6

Fuel EX 7 Gen 6

Fuel EX 5 Gen 5

Fuel EX 9.9 XX AXS T-Type Gen 6

Fuel EX 9.9 X0 AXS T-Type Gen 6

Fuel EX 8 XT Gen 6

Fuel EX 9.8 XT Gen 6

Fuel EX 5 Gen 6

Fuel EX C Gen 6 Frameset

Fuel EX 7 Gen 6

Fuel EX C Frameset

Fuel EX C Gen 5 Frameset

Fuel EX C Frameset

Fuel EX 27.5 Alloy Frameset

Which generation is right for you?

FAQ's

Fuel EX-compatible accessories

Service manual

It’s new bike day!

Golden Heaven: Nothing but good vibes

BIKE CHECK: The Fuel EX's of ‘Parallel II’

Get faster on the trail in a week

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Product features

Internal Storage

Active Braking Pivot

Slack or steep, the choice is yours

Adjust the sus for full send

Size-specific stays

Business in the front, party in the back

Trail-ready gear

New frame, new possibilities

Need an adjustment?

Suspension Calculator

Mino Link adjustable geometry

Threaded bottom bracket

On guard

ISCG mounts

How tall are you?

What is your inseam?

Sizing

Geometry

Dynamic Geometry Chart

1. Select Headset Angle To go Steep or Slack requires purchasing the angled headset cup.

2. Select Mino Link Position MinoLink is a geometry flip chip that raises or lowers the bottom bracket while also making the headtube steeper or slacker.

1. Select Headset Angle
To go Steep or Slack requires purchasing the angled headset cup.

2. Select Mino Link Position
MinoLink is a geometry flip chip that raises or lowers the bottom bracket while also making the headtube steeper or slacker.

1. Select Headset Angle
To go Steep or Slack requires purchasing the angled headset cup.

2. Select Mino Link Position
MinoLink is a geometry flip chip that raises or lowers the bottom bracket while also making the headtube steeper or slacker.

1. Select Headset Angle

To go Steep or Slack requires purchasing the angled headset cup.

2. Select Mino Link Position

MinoLink is a geometry flip chip that raises or lowers the bottom bracket while also making the headtube steeper or slacker.

1. Select Headset Angle

To go Steep or Slack requires purchasing the angled headset cup.

2. Select Mino Link Position

MinoLink is a geometry flip chip that raises or lowers the bottom bracket while also making the headtube steeper or slacker.