Trek Fuel EX 9.8 GX AXS Gen 5


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Fuel EX 9.8 combines a light full-carbon frame with parts chosen for the highest performance-to-price ratio. High-end FOX suspension with upgraded front and rear dampers, carbon wheels with a Rapid Drive rear hub, and SRAM’s latest, widest-range wireless electronic drivetrain give this model an extra edge you’ll notice from the first pedal stroke.

It’s right for you if…
You want a single bike that can handle any trail with the low weight and vibration damping of a carbon frame. You’re willing to pay for parts that give you a better connection with the trail, including crisp, precise wireless electronic shifting.

The tech you get
A light and stiff full-carbon frame with internal storage, FOX Performance 36 fork with a GRIP damper that offers more adjustment, and a RE:aktiv with Thru Shaft shock. SRAM’s latest GX Eagle AXS wireless electronic drivetrain with a leg-saving 52-tooth climbing gear, plus all-new Bontrager carbon wheels with a 108-tooth Rapid Drive hub for instant engagement, and powerful 4-piston brakes.

The final word
Fuel EX 9.8 is a great investment for one bike that does it all. You get a light carbon frame, but it’s the parts that make this model, like the extra-adjustable GRIP damper, the magic-carpet ride of Thru Shaft, and the blistering acceleration of carbon wheels with a Rapid Drive hub.

Why you’ll love it
– The SRAM GX Eagle AXS drivetrain is smart, smooth, and completely wireless
– RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
– The Fox Performance 36 fork gives you four-way damping adjustments for extra-dialed suspension
– We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5″ wheels, S frames get to choose between 27.5″ or 29″, and sizes M to XL get 29″ wheels
– Make it yours: it’s customizable through Project One

bike frame with labeled dimensions

Bike Sizes:
A. Reach 39.5cm 41.5cm 41.5cm 44cm 45.5cm 47cm 49.5cm
B. Stack 56.3cm 57.2cm 60.9cm 60.9cm 61.3cm 61.3cm 62.7cm
C. Standover 69.5cm 70.2cm 70.2cm 74.1cm 74.6cm 74.8cm 77cm
D. Effective Top Tube 54.6cm 56.8cm 57.8cm 60.3cm 61.9cm 63.4cm 66.3cm
E. Head Tube Angle 66.0° 66.0° 66.0° 66.0° 66.0° 66.0° 66.0°
F. Head Tube Length 9cm 10cm 10cm 10cm 10.5cm 10.5cm 12cm
G. Seat Tube Angle 75.0° 75.0° 75.0° 75.0° 75.0° 75.0° 75.0°
H. Seat Tube Length 35.6cm 39.5cm 39.5cm 42cm 43.5cm 45cm 50cm
I. Bottom Bracket Height 33.5cm 33.5cm 34cm 34cm 34cm 34cm 34cm
J. Bottom Bracket Drop 2.1cm 2.1cm 3.4cm 3.4cm 3.4cm 3.4cm 3.4cm
K. Fork Rake/Offset 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm
L. Trail 11.1cm 11.1cm 11.9cm 11.9cm 11.9cm 11.9cm 11.9cm
M. Wheelbase 112cm 114.4cm 115.4cm 117.9cm 119.6cm 121.1cm 124.2cm
O. Chainstay Length 43.7cm 43.7cm 43.7cm 43.7cm 43.7cm 43.7cm 43.7cm
Wheel Size 27.5″ 27.5″ 29″ 29″ 29″ 29″ 29″


Frame OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
Fork Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel
Rear Shock Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210mm x 55mm
Wheels NEW Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, 148×12 rear, 110×15 front
Tires Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29 x 2.60″ (2.40″ rear)
Bottom Bracket SRAM DUB, 92mm, PressFit
Crankset SRAM GX Eagle, DUB, 30T alloy ring, 52mm chainline
Shifters SRAM GX Eagle AXS, 12 speed
Rear Derailleur SRAM GX Eagle AXS
Cassette/Freewheel SRAM Eagle XG-1275, 10-52, 12 speed
Chain SRAM GX Eagle, 12 speed
Brakes SRAM G2 RS 4-piston hydraulic disc
Rotors SRAM CenterLine, 6-bolt, round edge, 200/180mm
Handlebars Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Tape/Grips Bontrager XR Trail Elite, nylon lock-on
Stem Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
Headset Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8″ top, 1.5″ bottom
Seatpost Bontrager Line Elite dropper, MaxFlow, internal routing, 31.6mm
Saddle Bontrager Arvada, austenite rails, 138mm width
Pedals Sold separately
Accessories & Extras Bontrager TLR sealant, 6oz; Bontrager TLR valve, 50mm; Bontrager TLR rim strip

* Subject to change without notice.




Option UPC MPN Store SKU
Lithium Grey/Factory Orange / X-Small / 27.5-inch 601842623206 5261323 FUE42976889E
Lithium Grey/Factory Orange / Small / 27.5-inch 601842623190 5261324 FUE41104167E
Lithium Grey/Factory Orange / Small / 29-inch 601842623183 5261325 FUE40969037E
Lithium Grey/Factory Orange / Medium / 29-inch 601842623176 5261326 FUE40917949E
Lithium Grey/Factory Orange / Medium/Large / 29-inch 601842623169 5261327 FUE41148558E
Lithium Grey/Factory Orange / Large / 29-inch 601842623152 5261328 FUE40661710E
Lithium Grey/Factory Orange / X-Large / 29-inch 601842623145 5261329 FUE41695488E
Matte Carbon Smoke / X-Small / 27.5-inch 601842623138 5261330 FUE34211587E
Matte Carbon Smoke / Small / 27.5-inch 601842623121 5261331 FUE33795973E
Matte Carbon Smoke / Small / 29-inch 601842623114 5261332 FUE32714296E
Matte Carbon Smoke / Medium / 29-inch 601842623107 5261333 FUE32103546E
Matte Carbon Smoke / Medium/Large / 29-inch 601842623091 5261334 FUE33614664E
Matte Carbon Smoke / Large / 29-inch 601842623084 5261335 FUE32169291E
Matte Carbon Smoke / X-Large / 29-inch 601842623077 5261336 FUE336027E
Raw Carbon/Rage Red / X-Small / 27.5-inch 601842623275 5261316 FUE3437034D
Raw Carbon/Rage Red / Small / 27.5-inch 601842623268 5261317 FUE33983791D
Raw Carbon/Rage Red / Small / 29-inch 601842623251 5261318 FUE32298836D
Raw Carbon/Rage Red / Medium / 29-inch 601842623244 5261319 FUE32696936D
Raw Carbon/Rage Red / Medium/Large / 29-inch 601842623237 5261320 FUE33234488D
Raw Carbon/Rage Red / Large / 29-inch 601842623220 5261321 FUE32949971D
Raw Carbon/Rage Red / X-Large / 29-inch 601842623213 5261322 FUE33761400D


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