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It's right for you if...

You want a single bike that can handle any trail with the light weight and vibration damping of a carbon frame. You're willing to pay for parts that give you a better connection with the trail, but you'd rather skip the bling.

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 drive train with a leg-saving 52-tooth climbing gear, plus all-new Bontrager carbon wheels with a 54-tooth Rapid Drive hub for fast engagement.

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.

See it in action

favorite_borderWhy you'll love it

  1. Fuel EX 9.8 will take your riding to the next level with a parts package that gives you top-shelf performance without the top-shelf price tag
  2. RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
  3. The Fox Performance 36 fork gives you four-way damping adjustments for extra-dialled suspension
  4. 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
  5. Make it yours: it's customisable through Project One


Features

Will my bike have a curved top tube?

Will my bike have a curved top tube?

Smaller frames (XS and S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Active Braking Pivot

Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.

Learn more

Straight Shot w/Knock Block

Trek's Straight Shot frame design optimises the stiffness-to-weight ratio for a more responsive ride. You'll be able to push harder and stay more planted on your line when the going gets rough.

Learn more

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Frame OCLV Mountain Carbon main frame and stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armour, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel
Fork Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel
*Shock Size: S , M , ML , L , XL
Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x55 mm
Size: XS , S
Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm
Wheels
Wheel front NEW Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle
Wheel rear NEW Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle
Hub front Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Hub rear Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru axle
*Tyre Size: S , M , ML , L , XL
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40"
Size: S , M , ML , L , XL
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.60"
Size: XS , S
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.40"
Size: XS , S
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.60"
*Tyre part Size: S , M , ML , L , XL , XS
Bontrager TLR valve, 50 mm
Size: XS , S , M , ML , L , XL
Bontrager TLR sealant
Rim strip Bontrager TLR
Drivetrain
Shifter SRAM GX Eagle, 12-speed
Rear derailleur SRAM GX Eagle
*Crank Size: S , XS
SRAM GX Eagle, DUB, 30T alloy ring, Boost, 170 mm length
Size: M , ML , L , XL , S
SRAM GX Eagle, DUB, 30T alloy ring, Boost, 175 mm length
Bottom bracket SRAM DUB, 92 mm, PressFit
Cassette SRAM Eagle XG-1275, 10-52, 12-speed
Chain SRAM GX Eagle, 12-speed
Components
Saddle Bontrager Arvada, austenite rails, 138 mm width
*Seatpost Size: XS , S
Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length
Size: M , ML
Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length
Size: L , XL
Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length
Handlebar Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
Grips Bontrager XR Trail Elite, alloy lock-on
*Stem Size: S , XS
Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 35 mm length
Size: M , ML , L , XL
Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 45 mm length
Head set Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom
Brake SRAM G2 RS hydraulic disc
*Brake rotor Size: S , M , ML , L , XL , XS
SRAM CenterLine, 6-bolt, round-edge, 180mm
Size: M , ML , L , XL
SRAM CenterLine, 6-bolt, round-edge, 200 mm
Weight
Weight M - 13.13 kg / 28.94 lbs (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise stated.

Frame size number Frame size letter Geometry position Wheel size A — Seat tube B — Seat tube angle Effective seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
14.0 XS Low 27.5" 35.6 69.0° 75.0° 9.0 66.0° 54.6 33.5 2.1 43.7 4.3 11.1 112.0 69.5 39.5 56.3
14.0 XS High 27.5" 35.5 69.5° 75.5° 9.0 66.5° 54.5 34.1 1.4 43.6 4.3 10.6 111.9 70.0 40.0 55.9
15.5 S High 27.5" 39.5 69.5° 75.5° 10.0 66.5° 56.7 34.1 1.4 43.6 4.3 10.6 114.3 70.8 42.0 56.8
15.5 S Low 27.5" 39.5 69.0° 75.0° 10.0 66.0° 56.8 33.5 2.1 43.7 4.3 11.1 114.4 70.2 41.5 57.2
15.5 S High 29" 39.5 68.0° 75.5° 10.0 66.5° 57.7 34.6 2.8 43.6 4.3 11.5 115.3 70.8 42.0 60.5
15.5 S Low 29" 39.5 67.5° 75.0° 10.0 66.0° 57.8 34.0 3.4 43.7 4.3 11.9 115.4 70.2 41.5 60.9
17.5 M Low 29" 42.0 67.5° 75.0° 10.0 66.0° 60.3 34.0 3.4 43.7 4.3 11.9 117.9 74.1 44.0 60.9
17.5 M High 29" 42.0 68.0° 75.5° 10.0 66.5° 60.2 34.6 2.8 43.6 4.3 11.6 117.8 74.7 44.5 60.5
18.5 ML Low 29" 43.5 67.5° 75.0° 10.5 66.0° 61.9 34.0 3.4 43.7 4.3 11.9 119.6 74.6 45.5 61.3
18.5 ML High 29" 43.5 68.0° 75.5° 10.5 66.5° 61.8 34.6 2.8 43.6 4.3 11.6 119.5 75.2 46.0 60.9
19.5 L Low 29" 45.0 67.5° 75.0° 10.5 66.0° 63.4 34.0 3.4 43.7 4.3 11.9 121.1 74.8 47.0 61.3
19.5 L High 29" 45.0 68.0° 75.5° 10.5 66.5° 63.3 34.6 2.7 43.6 4.3 11.6 121.0 75.4 47.5 60.9
21.5 XL Low 29" 50.0 67.5° 75.0° 12.0 66.0° 66.3 34.0 3.4 43.7 4.3 11.9 124.2 77.0 49.5 62.7
21.5 XL High 29" 50.0 68.0° 75.5° 12.0 66.5° 66.2 34.6 2.7 43.6 4.3 11.6 124.1 77.6 50.0 62.3

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