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2021 Small SKU: BMT23639

Trek Fuel EX 9.8 GX Mountain Bike - 2021, Small

Recommended Rider Height: 5'2" - 5'5" Size Guide
Regular price

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shipping icon $94.99 RideFast Shipping

About Trek

Trek Bicycles set out to change minds—top-notch bikes do come from America, not just Europe. Trek makes over a million bikes a year and is still simmering with homegrown American pride.

Upgrades
- Tuned front & rear brakes, firming up lever pull & creating consistent grab.

Master Mechanic's Notes:
- Small paint chips on the seatstay arch.
- Small scratches on the non-drive side of the suspension linkage.
- Small scratches on the drive side fork lowers.

About Trek

Trek Bicycles set out to change minds—top-notch bikes do come from America, not just Europe. Trek makes over a million bikes a year and is still simmering with homegrown American pride.
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TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Bikes ship in our custom RideFast box, and assembly is incredibly simple. Most novice riders can assemble their bike in 5 minutes or less. The tools you need to assemble are also included.

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Specifications

Year 2021
Brand Trek
Model Fuel EX 9.8 GX
Size Small
Frame Material Carbon Fiber
Drivetrain SRAM, 1x12 spd
Weight 28 lbs 13 oz
Fork FOX Performance Series 36 FLOAT
Fork Travel 140mm
Rear Shock FOX Performance Series FLOAT RE:aktiv
Rear Shock Travel 130mm
Brakes Shimano XT M8000, Disc - Hydraulic
Shifters SRAM GX Eagle, Mechanical
Rear Derailleur SRAM GX Eagle
Bottom Bracket Shell Press fit
Crankset Truvativ Descendant Alloy, 32t, 170mm
Cassette SRAM XG-1275 Eagle , 10-50t
Chain SRAM
Handlebar Bontrager Line Pro 35 Carbon, 780mm
Headset FSA Knock Block
Stem Bontrager Line Pro Alloy, 35.0mm x 40mm, 0°
Seatpost FOX Performance Series Transfer, 31.6mm
Seatpost Travel 100mm
Saddle Bontrager Arvada
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset Bontrager Line Elite 30 Carbon Tubeless Compatible, Bontrager
Front Tire Bontrager XR4 Team Issue, 27.5" x 2.6"
Rear Tire Bontrager XR4 Team Issue, 27.5" x 2.6"
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless

Geometry

Recommended Rider Height 5'2" - 5'5"
a. Effective Top Tube 567mm, 568mm (High, Low)
b. Seat Tube 395 mm
c. Seat Tube Angle 75.5, 75 (High, Low)
d. Head Tube Angle 66.5, 66 (High, Low)
e. Head Tube 100 mm
f. Stack 568mm, 572mm (High, Low)
g. Reach 420mm, 415mm (High, Low)
h. Standover Height 708mm, 702mm (High, Low)
i. Saddle Height Range N/A
VIEW SIZING GUIDE
QUALITY YOU CAN TRUST

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.

OVER 1,500 FIVE-STAR REVIEWS

“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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