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2021 Medium SKU: BMT21406

Trek Top Fuel 9.8 GX Mountain Bike - 2021, Medium

Regular price

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- New front brake pads for improved stopping power.
- Front & rear brake bleeds, firming up lever pull & creating consistent grab.
- Frame has protective tape installed.

Master Mechanic's Notes
- Scratches on crank arms.
- Light scratches on rear derailleur.
- Small paint chip on linkage.
- Scratches on both rims.

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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

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Year 2021
Brand Trek
Model Top Fuel 9.8 GX
Size Medium
Frame Material Carbon Fiber
Drivetrain SRAM, 1x12 spd
Weight 27 lbs 8 oz
Fork RockShox SID Select+
Fork Travel 120mm
Rear Shock RockShox SID Luxe Ultimate
Rear Shock Travel 115mm
Brakes SRAM G2 RS, Disc - Hydraulic
Shifters SRAM GX Eagle, Mechanical
Rear Derailleur SRAM GX Eagle
Bottom Bracket Shell Press fit
Crankset SRAM GX Eagle Alloy, 32t, 175mm
Cassette SRAM XG-1275, 10-52t
Chain SRAM
Handlebar Bontrager Line Pro OCLV Carbon, 750mm
Headset Integrated
Stem Bontrager Kovee Pro Alloy, 35.0mm x 60mm, 13°
Seatpost Bontrager Line Elite Dropper, 31.6mm
Seatpost Travel 150mm
Saddle Bontrager Montrose Elite
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset Bontrager Kovee Elite 30 Disc Carbon Tubeless Compatible , Bontrager
Front Tire Bontrager XR3 Team Issue, 29" x 2.4"
Rear Tire Bontrager XR3 Team Issue, 29" x 2.4"
Tire Type Clincher
Tubeless Compatibility Bike ships tubeless
Charger Included N/A


Recommended Rider Height 5'4" - 5'9"
a. Effective Top Tube 599mm, 598mm (Low, High)
b. Seat Tube 419 mm
c. Seat Tube Angle 75.0, 75.5 (Low, High)
d. Head Tube Angle 67.5, 68 (Low, High)
e. Head Tube 9 mm
f. Stack 594mm, 590mm (Low, High)
g. Reach 440mm, 445mm (Low, High)
h. Standover Height 730mm, 736mm (Low, High)
i. Saddle Height Range 650 - 750 mm

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

— Kari K.


“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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