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2018 21.5" SKU: BMT21270

Trek Top Fuel 8 Mountain Bike - 2018, 21.5"

Regular price

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Master Mechanic's Notes
- New rear brake pads.
- Front & rear brake bleeds, firming up lever pull & creating consistent grab.
- Corrosion on saddle rails.
- Scuffing on crank arm ends.
- Light scratching on non-drive swing arm.
- Light scratching on 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 2018
Brand Trek
Model Top Fuel 8
Size 21.5"
Frame Material Aluminum
Drivetrain Shimano, 2x11 spd
Weight 29 lbs 1 oz
Fork Fox 32 Float Performance Series
Fork Travel 100mm
Rear Shock Fox Float
Rear Shock Travel 100mm
Brakes Shimano M447, Disc Brakes - Hydraulic
Shifters Shimano Deore M610, Mechanical
Front Derailleur Shimano Deore
Rear Derailleur Shimano XT M786
Bottom Bracket Shell Press fit
Crankset Race Face Ride , 36/22t, 175mm
Cassette Shimano HG50, 11-36t
Chain Shimano
Handlebar Bontrager RL , 720mm
Headset FSA
Stem Bontrager, 31.8mm x 100mm, 7°
Seatpost Bontrager Rhythm Elite , 31.6mm
Saddle Bontrager
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset Bontrager Mustang Elite TLR , Bontrager
Front Tire Specialized Purgatory 2Bliss, 29" x 2.3"
Rear Tire Specialized Ground Control 2Bliss , 29" x 2.3"
Tire Type Tubeless
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed


Recommended Rider Height N/A
a. Effective Top Tube 633 mm
b. Seat Tube 495 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 70°
e. Head Tube 120 mm
f. Stack 606 mm
g. Reach 472 mm
h. Standover Height 738 mm
i. Saddle Height Range N/A

“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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