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MountainFramesetVerified spec

2026 Trek Top Fuel C Gen 4 Frameset

Launched at $4,300

Own a 2026 Trek Top Fuel C Gen 4 Frameset?

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

What a used one is worth

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New

$4,300

$4,300 to $4,300

Like new

$4,085

$4,085 to $4,085

Excellent

$3,870

$3,870 to $3,870

Good

$3,225

$3,225 to $3,225

Fair

$2,365

$2,365 to $2,365

For parts

$1,290

$1,290 to $1,290

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
2026
Category
Mountain · trail
Frame material
carbon
Sizes
S, M, ML, L, XL
Wheel size
27.5/29
Wheel setup
by frame size
Launch MSRP (US)
$4,300

Build

Weight kg
2.5
Rear shock
RockShox Deluxe Ultimate RCT, 185mm x 50mm

Geometry

L
Reach mm: 482; Stack mm: 608; Chainstay mm: 439; Wheelbase mm: 1227; Head angle deg: 65.9; Seat angle deg: 76.3
M
Reach mm: 452; Stack mm: 599; Chainstay mm: 434; Wheelbase mm: 1188; Head angle deg: 65.9; Seat angle deg: 77.3
S
Reach mm: 422; Stack mm: 566; Chainstay mm: 434; Wheelbase mm: 1150; Head angle deg: 65.9; Seat angle deg: 76.5
ML
Reach mm: 467; Stack mm: 604; Chainstay mm: 439; Wheelbase mm: 1210; Head angle deg: 65.9; Seat angle deg: 76.6
XL
Reach mm: 512; Stack mm: 626; Chainstay mm: 444; Wheelbase mm: 1270; Head angle deg: 65.9; Seat angle deg: 75.6

Sold across model years 2025-2026 under one product code. Price as shown on Trek's US site, 2025-08 capture.

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