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2019 Rocky Mountain Thunderbolt Carbon 70

Launched at $5,399Lists today at $5,399 (2026-09)

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What a used one is worth

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New

$2,553

$1,578 to $3,144

Like new

$2,426

$1,499 to $2,987

Excellent

$2,298

$1,420 to $2,829

Good

$1,915

$1,184 to $2,358

Fair

$1,404

$868 to $1,729

For parts

$766

$473 to $943

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): $5,399
Current list price: $5,399 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM GX Eagle
Electronic: false

Build

Fork: Fox 34 Float Performance Elite 130mm
Stem: Rocky Mountain 35 AM
Tires: Maxxis Minion DHR II Folding 27.5 x 2.3 / Maxxis Minion DHR II Folding 27.5 x 2.3
Brakes: Shimano XT / Shimano RT66 180mm / Shimano RT66 180mm
Saddle: WTB Volt Race
Wheels: Race Face ARC 25 Tubeless Ready - Tape | Valves Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 370 Boost 148mm
Cassette: Sram XG-1275 10-50T
Crankset: Sram Stylo 7k Eagle 34T
Seatpost: Fox Transfer Performance Elite 30.9mm
Shifters: Sram GX Eagle
Handlebar: Race Face Turbine 760mm
Rear shock: Fox Float DPS EVOL Performance Elite
Travel rear mm: 130
Rear derailleur: Sram GX Eagle
Travel front mm: 130

Geometry

L: Reach mm: 463; Stack mm: 604; Chainstay mm: 425; Wheelbase mm: 1184; Head angle deg: 67; Seat angle deg: 75
M: Reach mm: 441; Stack mm: 594; Chainstay mm: 425; Wheelbase mm: 1157; Head angle deg: 67; Seat angle deg: 75
S: Reach mm: 418; Stack mm: 585; Chainstay mm: 425; Wheelbase mm: 1131; Head angle deg: 67; Seat angle deg: 75
XL: Reach mm: 490; Stack mm: 617; Chainstay mm: 425; Wheelbase mm: 1216; Head angle deg: 67; Seat angle deg: 75
XS: Reach mm: 391; Stack mm: 576; Chainstay mm: 425; Wheelbase mm: 1099; Head angle deg: 67; Seat angle deg: 75

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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