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2024 Prime

Thunderflash C

A 29″ carbon frame full suspension enduro bike with high-end components.
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Manufacturer Price

$7,999
FrameCarbon
SuspensionFull, 165 / 170mm
ForkÖhlins RXF38
ShockÖhlins
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGX
BrakesSRAM G2 RS Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Thunderflash C
Other Enduro bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

42 km/h

Thunderflash C

41 km/h

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Thunderflash model range

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Sizing
MD

168cm – 182cm

LG

178cm – 192cm

XL

188cm – 202cm

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Bikerumor
Prime Updates Gravity-Inspired Thunderflash Enduro Bike with UDH & Raw Carbon

Mar 2025 · Cory Benson

With distinct designs, Prime’s lightweight carbon Thunderflash enduro and Rocket downhill bikes have still managed to fly under the radar for the past few years.…

Read Review

Pinkbike
Prime Thunderflash Gets a UDH Update

Mar 2025 · PRIME Bicycles

A Carbon Raw finish and a universal derailleur hanger are the new features of the 2025 Thunderflash.

Highs
  • Glossy Carbon Raw finish enhances scratch resistance

  • Versatile build options

  • Updated performance features

  • Multiple drivetrain choices including SRAM X0 T-Type, GX T-Type

  • Suspension options from Rock Shox, Fox and Öhlins

  • Includes high-quality components like SRAM Maven brakes, Industry Nine wheels, Renthal cockpit, Bike Yoke seatposts, Maxxis tires, SDG saddles, and ODI grips

Read Review

Enduro Mountainbike Magazine
The brand new Prime Thunderflash RSX 2021 in review – Rolling thunder on the trails?

Apr 2021 · Peter Walker

New polish brand, Prime, introduce the brand new Thunderflash. We already had the exclusive chance to put it to the test!

Highs
  • Lots of mid-stroke support from the suspension

  • Efficient enough to forgo the climb switch

  • Intuitive, precise handling

  • Great looking frame with smart features

Lows
  • Small weaknesses in the components

  • Brake line rattles on the fork crown

  • No size S to accommodate small riders

Read Review

Geometry
Specs
Build
Frame

PRIME THUNDERFLASH 29” | 165 mm VIP COMPOSITES S.H.R.E.D DYNAMICS FULL CARBON FIBER FRAME INCLUDING FRONT TRIANGLE | REAR TRIANGLE UPPER LINK | LOWER LINK 205 x 65 mm SHOCK BSA 73 mm BOTTOM BRACKET 12 x 148 mm BOOST REAR AXLE 31,6 mm SEATPOST

BB StandardBSA, 68mm, Threaded

ColorsGunmetal; Midnight Blue

Fork

ÖHLINS RXF 38 M.2 29” | 170 MM | TTX18 TWIN TUBE CARTRIDGE HSC, LSC, REBOUND | AIR PRELOUD | RAMP UP CHAMPER 15 X 110 MM | 44 MM RAKE

Travel170mm

Spring TypeAir

Shock

ÖHLINS TTX 2 AIR AIR HSC, LSC, REBOUND | CLIMB MODE 205 x 65 mm

Travel165mm

Bottom Bracket

SRAM DUB BSA | 68/73 mm

Headset

ACROS PRIME EDITION ZS44 / ZS56 BLOCK LOCK

Stem

RENTHAL APEX 35 40 mm length

Handlebar

RENTHAL FATBAR 35 800 mm width | 30 mm rise

Saddle

SDG BEL AIR 2.0 PRIME EDITION

Seatpost

BIKE YOKE DIVINE 160 mm (M) | 185 mm (L) | 185 mm (XL)

TypeDropper

Grips

ODI ELITE PRO V 2.1 LOCK - ON | 130 mm

Groupset
Rear Derailleur

SRAM GX 12 Speed Eagle

Crank

SRAM GX ALLOY 170 mm | 30T | DUB

Shifters

SRAM GX 12 Speed Eagle

Cassette

SRAM GX XG-1275 | 10 - 50T | 12 Speed Eagle

Chain

SRAM GX 12 Speed Eagle

Chain Guide

E13 TRS+ ISCG05 | 28-30T | BASH ONLY

Brakes

Front: SRAM G2 RS SRAM CENTERLINE 200 MM ROTOR, Rear: SRAM G2 RS SRAM CENTERLINE 180 MM ROTOR

TypeSRAM G2 RS Hydraulic Disc

Wheels
Rims

INDUSTRY NINE 29” | 30 mm internal rim width 28 Spokes

Front Hub

INDUSTRY NINE 1/1 15 x 110 mm | 6B

Rear Hub

INDUSTRY NINE 1/1 12 x 148 mm | 6B 4° ENGAGEMENT

Tires

Front: MAXXIS ASSEGAI 29” x 2.50 | EXO+ | MAXXGRIP, Rear: MAXXIS DHR II 29” X 2.40 | DD | MAXXTERRA

Rider Notes
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First added 27 April

Last updated 8 June

Not listed for 720 days