MountainVerified spec

2021 Trek Top Fuel 9.9 X01 Gen 2

Launched at $8,000

Own a 2021 Trek Top Fuel 9.9 X01 Gen 2?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

New

$4,470

$2,887 to $5,386

Like new

$4,247

$2,742 to $5,117

Excellent

$4,023

$2,598 to $4,847

Good

$3,353

$2,165 to $4,039

Fair

$2,459

$1,588 to $2,962

For parts

$1,341

$866 to $1,616

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Fork: Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote lockout, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm Kabolt axle, 120mm travel
Stem: Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
Brakes: SRAM G2 RSC hydraulic disc
Saddle: Bontrager Montrose Pro, 7x10mm carbon rails, 138mm width
Wheels: Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear
Cassette: SRAM Eagle XG-1275, 12 speed
Crankset: SRAM X01 Eagle, DUB, 32T alloy ring, Boost
Seatpost: Bontrager Line Elite Dropper, internal routing, 31.6mm
Shifters: SRAM X01 Eagle, 12 speed
Handlebar: Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
Weight kg: 11.3
Rear shock: Fox Factory Float, 2-position DPS damper, Bontrager DropLock remote, Kashima Coat, 190x45mm
Travel rear mm: 115
Rear derailleur: SRAM X01 Eagle
Travel front mm: 120

15.5: Reach mm: 410; Stack mm: 590; Chainstay mm: 434; Wheelbase mm: 1117; Head angle deg: 68; Seat angle deg: 75.5
17.5: Reach mm: 445; Stack mm: 590; Chainstay mm: 434; Wheelbase mm: 1152; Head angle deg: 68; Seat angle deg: 75.5
18.5: Reach mm: 461; Stack mm: 590; Chainstay mm: 434; Wheelbase mm: 1168; Head angle deg: 68; Seat angle deg: 75.5
19.5: Reach mm: 475; Stack mm: 599; Chainstay mm: 434; Wheelbase mm: 1185; Head angle deg: 68; Seat angle deg: 75.5
21.5: Reach mm: 492; Stack mm: 608; Chainstay mm: 434; Wheelbase mm: 1206; Head angle deg: 68; Seat angle deg: 75.5

Price as shown on Trek's US site, 2020-08 capture.

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