Trek
Mountain bikes

Fuel EX 9.8

$

6999

As Shown

Fuel EX 9.8 is the carbon trail bike that can fly through singletrack, throw down with the rowdy trail crew and crush miles during marathon races. A lightweight full OCLV Mountain Carbon frame, 1x12 SRAM GX Eagle drive train, carbon wheels and FOX Performance Float suspension with Trek's exclusive RE:aktiv with Thru Shaft shock make it the perfect choice for all-mountain shredders who want a single bike that does it all.

It's right for you if...

You like going fast, getting rowdy and clearing every obstacle on the first try. You want a single bike that can handle any trail, with high-quality parts, a carbon frame and dialled suspension for everything from burly technical descents to single track and even endurance races.

The tech you get

A light and stiff full OCLV Mountain Carbon frame, 140 mm FOX Performance 36 Float fork, 130 mm of rear travel with a FOX Performance Float shock featuring Trek's exclusive RE:aktiv with Thru Shaft and a 1x12 SRAM GX Eagle drive train. Plus, powerful Shimano SLX 4-piston hydraulic disc brakes, Tubeless Ready Bontrager Line Carbon 30 wheels with a 54-tooth Rapid Drive rear hub for quick engagement, a Bontrager Line Elite dropper post and a Bontrager Line Pro OCLV Carbon handlebar. An internal storage compartment and Control Freak cable routing add to the bike's capability and sleek look.

The final word

Fuel EX 9.8 is the definitive mountain bike, and a great choice if you're going to invest in a single bike for all kinds of terrain. A full carbon frame, quality parts build and advanced suspension make it an outstanding all-around mountain bike for endurance racing and ripping every kind

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: XS , S
Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x52.5mmSize: S , M , ML , L , XL
Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x55 mm

Wheels

Front wheel Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle

Rear wheel Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle*

Tyre Size: XS , S
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.60"Size: S , M , ML , L , XL
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.60"

Tyre part Bontrager TLR valve, 50 mm

Rim strip Bontrager TLR

Drivetrain

Shifter SRAM GX Eagle, 12-speed

Rear derailleur SRAM GX Eagle*

Crank Size: XS , S
Truvativ Descendant 7k Eagle, DUB, 32T alloy ring, Boost, 170 mm lengthSize: M , ML , L , XL
Truvativ Descendant 7k Eagle, DUB, 32T alloy ring, Boost, 175 mm length

Bottom bracket SRAM DUB, 92 mm, PressFit

CassetteSRAM XG-1275 Eagle, 10-50, 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 lengthSize: M , ML
Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm lengthSize: 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: XS , S
Bontrager Line Pro, 35mm, Knock Block, 0 degree, 40mm lengthSize: M , ML , L , XL
Bontrager Line Pro, 35 mm, Knock Block, 0-degree, 50 mm length

Head set Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom

Brake Shimano SLX M7120 4-piston hydraulic disc*

Brake rotor Size: XS , S , M , ML , L , XL
Shimano RT66, 6-bolt, 180 mmSize: M , ML , L , XL
Shimano RT66, 203mm, 6-bolt

Accessories

Bag Bontrager BITS Internal Frame Storage Bag

Weight

Weight M - 13.17 kg / 29.03 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, book a precision bike fit where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Fuel EX 9.8

$

6999

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