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2020 Rocky Mountain Thunderbolt Carbon Frameset

Launched at $2,799Lists today at $2,799 (2026-09)

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What a used one is worth

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New

$1,439

$909 to $1,753

Like new

$1,367

$864 to $1,665

Excellent

$1,295

$818 to $1,577

Good

$1,079

$682 to $1,314

Fair

$791

$500 to $964

For parts

$432

$273 to $526

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

Overview

Brand
Rocky Mountain
Model family
Thunderbolt
Model year
2020
Category
Mountain · trail
Frame material
carbon
Sizes
XS, S, M, L, XL
Wheel size
26+ or 27.5
Wheel setup
either
Launch MSRP (US)
$2,799
Current list price
$2,799 (as of 2026-09)

Build

Weight kg
2.55
Rear shock
Fox Float DPS EVOL Factory
Travel rear mm
140
Travel front mm
140

Geometry

L 26+
Reach mm: 454; Stack mm: 611; Chainstay mm: 425; Wheelbase mm: 1192; Head angle deg: 66.1; Seat angle deg: 74.1
M 26+
Reach mm: 431; Stack mm: 601; Chainstay mm: 425; Wheelbase mm: 1165; Head angle deg: 66.1; Seat angle deg: 74.1
S 26+
Reach mm: 409; Stack mm: 592; Chainstay mm: 425; Wheelbase mm: 1139; Head angle deg: 66.1; Seat angle deg: 74.1
L 27.5
Reach mm: 459; Stack mm: 607; Chainstay mm: 425; Wheelbase mm: 1188; Head angle deg: 66.6; Seat angle deg: 74.6
M 27.5
Reach mm: 436; Stack mm: 598; Chainstay mm: 425; Wheelbase mm: 1161; Head angle deg: 66.6; Seat angle deg: 74.6
S 27.5
Reach mm: 414; Stack mm: 588; Chainstay mm: 425; Wheelbase mm: 1135; Head angle deg: 66.6; Seat angle deg: 74.6
XL 26+
Reach mm: 480; Stack mm: 625; Chainstay mm: 425; Wheelbase mm: 1224; Head angle deg: 66.1; Seat angle deg: 74.1
XS 26+
Reach mm: 381; Stack mm: 582; Chainstay mm: 425; Wheelbase mm: 1107; Head angle deg: 66.1; Seat angle deg: 74.1
XL 27.5
Reach mm: 485; Stack mm: 621; Chainstay mm: 425; Wheelbase mm: 1220; Head angle deg: 66.6; Seat angle deg: 74.6
XS 27.5
Reach mm: 386; Stack mm: 579; Chainstay mm: 425; Wheelbase mm: 1103; Head angle deg: 66.6; Seat angle deg: 74.6

Launch price read from Rocky Mountain's US model-year page captured 2019-08 (inside the model year). Geometry is the Neutral position of the adjustable geometry chip. Geometry keys carry the wheel size. 2 factory colorways.

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