Trek Fuel EX 9.7 Gen 5


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Fuel EX 9.7 is our most affordable full suspension carbon trail bike. It pairs a lightweight, smooth-riding frame with a beefy 140mm FOX 36 fork, Shimano SLX/XT drivetrain, and powerful 4-piston brakes for a fast, fun mountain bike that’s a ripper now, and ripe for upgrades later.

It’s right for you if…
You want one carbon trail bike that can take on every adventure, from flowy singletrack to the gnarliest descents and most brutal climbs. You don’t mind sacrificing a little on the parts so you can get the best frame right now.

The tech you get
A lightweight and stiff full-OCLV Mountain Carbon frame with internal storage, a 140mm FOX Rhythm 36 fork, 130mm of rear travel with a FOX Float Performance rear shock with Trek’s efficient RE:aktiv damper, a wide-range 1×12 Shimano SLX/XT drivetrain, Line Comp 30 TLR wheels with a 54 tooth Rapid Drive rear hub, a Bontrager Line dropper post, and powerful Shimano 4-piston hydraulic disc brakes.

The final word
Full suspension control on a lightweight and trail-tough carbon frame makes for a fun and fast ride. It’s rugged enough for rowdy descents but still spry for lively climbing and accelerating.

Why you’ll love it
– Don’t confuse Fuel EX 9.7 with other value carbon models on the market—this bike provides an outstanding frame and suspension with a workhorse drivetrain and wheels
– A sleek internal storage compartment gives you a handy spot to stow flat-fixing supplies or gear
– Bigger, stiffer 36mm fork stanchions won’t flex, so you can push harder with more precise, confident steering that helps you stay on your line
– RE:aktiv is smarter, more efficient suspension. It gives you firm pedaling support that instantly gives way over bumps
– 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

bike frame with labeled dimensions

Bike Sizes:
A. Reach 39.5cm 41.5cm 44cm 45.5cm 47cm 49.5cm
B. Stack 56.3cm 57.2cm 60.9cm 61.3cm 61.3cm 62.7cm
C. Standover 69.5cm 70.2cm 74.1cm 74.6cm 74.8cm 77cm
D. Effective Top Tube 54.6cm 56.8cm 60.3cm 61.9cm 63.4cm 66.3cm
E. Head Tube Angle 66.0° 66.0° 66.0° 66.0° 66.0° 66.0°
F. Head Tube Length 9cm 10cm 10cm 10.5cm 10.5cm 12cm
G. Seat Tube Angle 69.0° 69.0° 67.5° 67.5° 67.5° 67.5°
H. Seat Tube Length 35.6cm 39.5cm 42cm 43.5cm 45cm 50cm
I. Bottom Bracket Height 33.5cm 33.5cm 34cm 34cm 34cm 34cm
J. Bottom Bracket Drop 2.1cm 2.1cm 3.4cm 3.4cm 3.4cm 3.4cm
K. Fork Rake/Offset 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
M. Wheelbase 112cm 114.4cm 117.9cm 119.6cm 121.1cm 124.2cm
O. Chainstay Length 43.7cm 43.7cm 43.7cm 43.7cm 43.7cm 43.7cm


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 Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel
Rear Shock Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210mm x 55mm (Sizes XS & S = 210mm x 52.5mm)
Wheels Front: Bontrager Line Comp 30, Tubeless Ready, sealed bearing, 6-bolt, Boost110, 15mm thru axle
Rear: Bontrager Line Comp 30, Tubeless Ready, sealed bearing, Rapid Drive 54, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
Tires Bontrager XR5 Team Issue, Tubeless Ready, aramid bead, 120 tpi
Sizes XS & S: 27.5 x 2.50″
Sizes S, M, ML, L, XL: 29 x 2.50″
Bottom Bracket Shimano MT500, 92mm, PressFit
Crankset Shimano MT611, 30T steel ring, alloy spider, Boost (52mm chainline), 170mm length (Size XL: 175mm length)
Shifters Shimano SLX M7100, 12-speed
Rear Derailleur Shimano XT M8100, long cage, 51T max cog
Cassette/Freewheel Shimano SLX M7100, 10-51, 12-speed
Chain Shimano SLX M7100, 12-speed
Brakes Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper
Rotors Shimano RT66, 6-bolt, 180mm
Handlebars Bontrager Line, alloy, 35mm, 27.5mm rise
Sizes XS & S: 750mm width
Sizes M, ML, L, XL: 780mm width
Tape/Grips Bontrager XR Trail Elite, nylon lock-on
Stem Bontrager Elite, 35mm, 0 degree rise
Sizes XS & S: 35mm length
Sizes M, ML, L, XL: 45mm length
Headset Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8″ top, 1.5″ bottom
Seatpost Bontrager Line Dropper, internal routing, 31.6mm diameter
Sizes XS & S: 100mm travel, 345mm length
Sizes M, ML, L, XL: 150mm travel, 440mm length
Saddle Bontrager Arvada, hollow chromoly rails, 138mm width
Pedals Sold separately

* Subject to change without notice.


Option UPC MPN Store SKU
Matte Raw Carbon / Small / 27.5-inch 601842582329 5259309 FUE31741949N
Matte Raw Carbon / Small / 29-inch 601842582312 5259310 FUE30485582N
Matte Raw Carbon / Medium / 29-inch 601842582305 5259311 FUE30970404N
Matte Raw Carbon / X-Large / 29-inch 601842582275 5259314 FUE31932054N
Carbon Blue Smoke / Small / 27.5-inch 601842582251 5259316 FUE32125175E
Carbon Blue Smoke / Small / 29-inch 601842582244 5259317 FUE31751986E
Carbon Blue Smoke / Medium / 29-inch 601842582237 5259318 FUE31115559E
Carbon Blue Smoke / Medium/Large / 29-inch 601842582220 5259319 FUE32889768E
Carbon Blue Smoke / Large / 29-inch 601842582213 5259320 FUE31329257E
Carbon Blue Smoke / X-Large / 29-inch 601842582206 5259321 FUE32215537E


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