MountainPartial spec

2015 Rocky Mountain Thunderbolt 770 MSL

Lists today at $5,499 (2026-09)

Own a 2015 Rocky Mountain Thunderbolt 770 MSL?

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What a used one is worth

New

$1,863

$1,055 to $2,395

Like new

$1,770

$1,002 to $2,276

Excellent

$1,677

$949 to $2,156

Good

$1,397

$791 to $1,796

Fair

$1,025

$580 to $1,317

For parts

$559

$316 to $719

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

Fork: Fox 32 Float 27.5 120 FIT CTD. 120mm. FIT Damper / Rebound / Climb (Lockout) - Trail (Compression) - Descend (Open) Settings / 15mm Axle / Tapered Steerer
Stem: Race Face Turbine 35mm 6° x 60-80mm
Tires: Maxxis Folding F: Ardent 27.5" x 2.25" R: Ardent Race 27.5" x 2.2"
Brakes: Shimano XT Hydraulic Disc 180mm
Saddle: WTB Silverado Race
Wheels: Stan's ZTR Crest Tubeless Ready rims; hubs: Shimano XT / Centerlock / 32H / 15mm Axle / Shimano XT / Centerlock / 32H / 12 x 142mm Axle
Cassette: Shimano XT 11-36T 10spd
Crankset: Race Face Turbine Cinch 170-175mm 38/24T 2x10spd
Seatpost: RockShox Reverb Stealth 30.9mm x 355-420mm
Shifters: Shimano XT Rapid Fire I-Spec 2x10spd
Handlebar: Race Face Turbine 1/2 Rise Ø35mm x 740mm x 9° Sweep
Rear shock: Fox Float Remote CTD Custom Race Valved. SmoothLink™ Design 120mm. Rebound / Remote Climb (Lockout) - Trail (ProPedal) - Descend (Open) Settings / Adjustable Suspension Rate
Rear derailleur: Shimano XTR Shadow Plus Direct Mount 10spd
Travel front mm: 120

list_price_usd is the price Rocky Mountain's archive page shows today; no in-season capture confirmed it as the launch price.

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