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MountainVerified spec

2021 Trek Top Fuel 9.9 XX1 AXS

Launched at $9,500

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What a used one is worth

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New

$5,308

$3,428 to $6,396

Like new

$5,043

$3,257 to $6,076

Excellent

$4,778

$3,085 to $5,756

Good

$3,981

$2,571 to $4,797

Fair

$2,920

$1,885 to $3,518

For parts

$1,593

$1,028 to $1,919

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

Overview

Brand
Trek
Model family
Top Fuel
Model year
2021
Category
Mountain · xc
Frame material
carbon
Sizes
S, M, ML, L, XL
Wheel size
29
Launch MSRP (US)
$9,500

Drivetrain

Speeds
12
Groupset
SRAM XX1 Eagle AXS
Electronic
true

Build

Fork
RockShox SID Ultimate, DebonAir spring, Charger 2 RC2 damper, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 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 Ultimate hydraulic disc, carbon levers
Saddle
Bontrager Arvada, austenite rails, 138mm width
Wheels
Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear
Cassette
SRAM XG-1299 Eagle, 10-50, 12 speed
Crankset
SRAM XX1 Eagle AXS, DUB, 32T alloy ring, Boost
Seatpost
RockShox Reverb AXS, wireless, 31.6mm
Shifters
SRAM Eagle AXS, wireless, 12-speed
Handlebar
Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
Weight kg
11.07
Rear shock
RockShox SIDLuxe Ultimate, DebonAir spring, Ultimate RL damper, TwistLoc remote, 190x45mm
Travel rear mm
115
Rear derailleur
SRAM XX1 Eagle AXS
Travel front mm
120

Geometry

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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