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2019 Rocky Mountain Thunderbolt Carbon 90 BC Edition

Launched at $5,999Lists today at $5,999 (2026-09)

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What a used one is worth

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New

$2,837

$1,753 to $3,493

Like new

$2,695

$1,666 to $3,319

Excellent

$2,554

$1,578 to $3,144

Good

$2,128

$1,315 to $2,620

Fair

$1,560

$964 to $1,921

For parts

$851

$526 to $1,048

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: 2019
Category: Mountain · trail
Frame material: carbon
Sizes: XS, S, M, L, XL
Wheel size: 27.5
Launch MSRP (US): $5,999
Current list price: $5,999 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM GX Eagle
Electronic: false

Build

Fork: Fox 36 Float Performance Elite 140mm
Stem: Rocky Mountain 35 CNC
Tires: Maxxis Minion DHF Maxx Terra 3C Tubeless Ready 27.5 x 2.3 / Maxxis Minion DHR II Maxx Terra 3C Tubeless Ready 27.5 x 2.3
Brakes: Shimano XT Ice Tec / Shimano RT86 180mm / Shimano RT86 180mm
Saddle: WTB Volt Race
Wheels: Race Face ARC 27 Tubeless Ready - Tape | Valves Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 350 Boost 148mm
Cassette: Sram XG-1275 10-50T
Crankset: Sram Stylo 7k Eagle 34T
Seatpost: Race Face Turbine R (by Fox) Dropper 30.9mm
Shifters: Sram GX Eagle
Handlebar: Race Face Turbine R 780mm
Rear shock: Fox Float DPS EVOL Performance Elite
Travel rear mm: 140
Rear derailleur: Sram GX Eagle
Travel front mm: 140

Geometry

L: Reach mm: 459; Stack mm: 607; Chainstay mm: 425; Wheelbase mm: 1188; Head angle deg: 66.6; Seat angle deg: 74.6
M: Reach mm: 436; Stack mm: 598; Chainstay mm: 425; Wheelbase mm: 1161; Head angle deg: 66.6; Seat angle deg: 74.6
S: Reach mm: 414; Stack mm: 588; Chainstay mm: 425; Wheelbase mm: 1135; Head angle deg: 66.6; Seat angle deg: 74.6
XL: Reach mm: 485; Stack mm: 621; Chainstay mm: 425; Wheelbase mm: 1220; Head angle deg: 66.6; Seat angle deg: 74.6
XS: 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 2018-07 (inside the model year). Geometry is the Neutral position of the adjustable geometry chip. 2 factory colorways.

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