MountainPartial spec

2018 Rocky Mountain Thunderbolt Carbon 30

Lists today at $3,499 (2026-09)

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What a used one is worth

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New

$1,522

$920 to $1,895

Like new

$1,446

$874 to $1,800

Excellent

$1,370

$828 to $1,705

Good

$1,142

$690 to $1,421

Fair

$837

$506 to $1,042

For parts

$457

$276 to $568

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: 2018
Category: Mountain · trail
Frame material: carbon
Sizes: XS, S, M, L, XL
Wheel size: 27.5
Current list price: $3,499 (as of 2026-09)

Drivetrain

Speeds: 11
Groupset: SRAM NX
Electronic: false

Build

Fork: RockShox Recon Gold Air 130mm
Stem: Rocky Mountain AM
Tires: Maxxis Minion DHR II Folding 27.5 x 2.3 / Maxxis Crossmark II 27.5 x 2.25
Brakes: Sram Level
Saddle: WTB Volt Race
Wheels: Sun Helix TR25 SL Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / Sram MTH 746 Boost 148mm
Cassette: Sram PG-1130 11-42T
Crankset: Race Face Aeffect Cinch 32T Steel
Seatpost: Rocky Mountain SL 30.9mm
Shifters: Sram NX
Handlebar: Rocky Mountain AM 760mm
Weight kg: 12.45
Rear shock: RockShox Deluxe RT
Travel rear mm: 130
Rear derailleur: Sram NX
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

list_price_usd is the price Rocky Mountain's archive page shows today; no in-season capture confirmed it as the launch price. Geometry is the Neutral position of the adjustable geometry chip. 2 factory colorways.

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