Skip to main content

Trek Fuel EX For Sale

Trek fuel ex mountain bike in the air

What kind of mountain bike is the Trek Fuel EX?

What it is:
The new Fuel EX Gen 6 is a purebred trail bike with longer travel and on-the-fly adjustability to navigate the whole mountain, including the steepest stuff.

Who it's for:
Trail riders who want ultimate geometry customization and who frequently smash steeper routes.

Trek fuel ex model profile

Top specs

  • Style: Trail
  • Wheel size: 27.5" or 29”
  • Frame material: Carbon or Alloy
  • Travel: 150mm front, 140mm rear
  • Geometry: 64.5° head angle, 77.2° seat tube, 485mm reach (size L)
  • Tire clearance: 2.5"
  • Size range: XS-XL (XXL in alloy)
  • Price: from $3,499

Watch the Trek Fuel EX video

Best Features

trek fuel ex now has internal frame storage

Internal storage

Both carbon and alloy frames feature a handy downtube compartment to store your tools, nutrition, and ride essentials.

trek fuel ex now has more ways to customize the geometry

Customizable geometry

There’s an adjustable headset cup that changes the head tube angle by +/- 1° as well as the Mino Link system for a total of six distinct configurations.


Trek fuel ex now has more front and rear travel

More travel

The Gen 6 Fuel EX comes with longer travel for conquering steeper routes. There’s a generous 150mm up front and 140mm in the back.


Trek Fuel EX Geometry & Size Chart

FRAME SIZEXSS 27.5S 29MMLLXLXXL
AWHEELSIZE27.527.5292929292929
BFRAME REACH403.6433.5431.3456.2476.1491.0521.0551.0
CEFFECTIVE TOP TUBE515.6549.9552.7583.0606.2625.6660.4695.1
DSEAT TUBE360.0380.0380.0410.0420.0435.0470.0500.0
ESEAT TUBE ANGLE71.271.171.471.471.471.471.371.3
FEFFECTIVE SEAT TUBE ANGLE78.978.579.278.878.077.777.176.5
GFRAME STACK571.7571.6608.1612.4612.3616.8630.1643.5
HHEAD TUBE LENGTH95.095.095.0100.0100.0105.0120.0135.0
IHEAD ANGLE64.964.865.165.165.165.165.065.0
JFORK AXLE-TO-CROWN533.0533.0561.0561.0561.0561.0561.0561.0
KBOTTOM BRACKET HEIGHT336.5336.6342.8342.9342.9343.0343.1343.2
LBOTTOM BRACKET DROP21.020.930.730.630.630.530.430.3
MCHAINSTAY LENGTH433.9433.9433.1433.1438.1438.1443.1448.1
NWHEELBASE1144.11174.11184.91212.11232.11249.21285.71322.2
OSTANDOVER720.4727.5743.2743.3748.4754.5773.6780.8
POFFSET44.044.044.044.044.044.044.044.0
QTRAIL119.2119.2124.9125.0125.1125.2125.3125.4
SizeRider HeightInseam
XS137 - 155 cm
4'6" - 5'1"
64 - 73 cm
25" - 29"
S153 - 167 cm
5'0" - 5'6"
72 - 79 cm
28" - 31"
M161 - 172 cm
5'3" - 5'8"
76 - 81 cm
30" - 32"
M/L166 - 179 cm
5'5" - 5'10"
77 - 84 cm
30" - 33"
L177 - 188 cm
5'10" - 6'2"
83 - 88 cm
33" - 35"
XL186 - 196 cm
6'1" - 6'5"
87 - 92 cm
34" - 36"

Shop Trek Fuel EX Models