Freeride has many faces - and the all-new Thunderbird FR family is built to master them all. We scrapped the old geometry and started from the ground up, creating a frame that’s stronger, more agile, and ready for the biggest jumps.
The Thunderbird FR Pro SS is the purest expression of that idea - a singlespeed freeride machine built to take massive hits and throw style on every A-Line.
The Cosmic-painted frame rolls on 27.5-inch wheels front and rear, giving you the perfect balance between playfulness and control. Up front, the RockShox Zeb Select fork with a Charger RC damper and 190mm of travel swallows the biggest drops, while the RockShox Vivid Base shock keeps the rear end smooth and predictable.
The drivetrain stays simple and bombproof with a singlespeed setup and Dartmoor’s own chain tensioner, powered by the new FSA Comet Heavy Duty crankset.
Wheels are built on Dartmoor Shield Wide rims, paired with a Boost Expert Singlespeed hub, running on Maxxis Minion DHF MaxxTerra EXO+ tires - proven freeride grip and durability.
The cockpit features the new Thunder CNC-shaped stem and a 35mm Viper Pro handlebar made from 7050 alloy for maximum strength and control. Stopping power comes from SRAM Maven brakes - all the braking performance you will ever need.
MAIN FEATURES
- 190/180mm front/rear suspension travel
- New version of Thunderbird FR frame
- 27.5-inch wheels front and rear for agility and control
- RockShox Zeb Select fork with Charger RC damper with 190mm travel
- RockShox Vivid Air Base rear shock
- Singlespeed drivetrain with Dartmoor chain tensioner
- New FSA Comet Heavy Duty crankset
- Super-strong Dartmoor Shield Wide rims
- Maxxis Minion DHF 3C MaxxTerra EXO+ 120TPI tires
- New Dartmoor Thunder fully CNC-machined stem with Viper Pro 7050 alloy handlebar
- SRAM Maven Base brakes
With either a 200mm dual crown or a 180mm single crown fork, it's designed for bikepark laps with friends who choose double black diamonds for a warm-up run. Thunderbird FR pedals just right to keep the sweat off during beer runs while its suspension stays responsive enough to prevent cold ones from ruffling.
Thanks to its high leverage ratio at the beginning of travel, Thunderbirds easily overcomes friction, ensuring that the initial part of the travel is sufficiently soft. At the end of the stroke, higher progression offers resistance against bottoming out, guaranteeing the bike can handle whatever challenges you encounter.
All-aluminum Thunderbird frames are designed to be compatible with the new generation of 1.8" tapered forks featuring 68–69mm crowns. Bigger means stronger — a crucial advantage in Superenduro and Freeride riding. Of course, these frames also work perfectly with standard tapered forks with 1.5" steerer tubes. And when you purchase our Storm or Storm Intro headsets, both crown races are included.
The massive rocker is made of one piece of forged aluminum, keeping lateral stiffness high and providing an on-trail feel even in rough terrain.
Thunderbird frames are fully compatible with a SRAM Universal Derailleur Hanger (UDH) and Eagle Transmission drivetrains.
Our custom bicycle frame protectors are crafted from thick thermoplastic elastomer material, offering superior impact resistance against scratches, dents, and impacts. Designed with a ribbed pattern for added durability, these protectors provide a perfect fit for Thunderbird frames, ensuring maximum protection without compromising aesthetics.
All bearings in our full suspension frames feature extra dedicated custom sealing for enhanced protection against dust, dirt, and moisture. Red Mobil grease provides effective lubrication over extended periods, ensuring minimal friction and optimal performance. MAX-type bearings offer over 30% more load capacity than caged bearings.
180mm of rear and up to 200mm of front travel with geometry allowing you to fit a 29-inch front wheel, which means you can easily match it with a dual crown fork and keep the eyes away from your lovely mullet.
Check out our quick guide on choosing the right frame size - it only takes a few minutes but guarantees endless fun on the trails!
Specification
WHEEL SIZE
27.5"
FRAME
glossy Cosmic, AL 6061-T6, travel 180mm
FRAME SIZE
Small, Medium, Large
FORK
Rock Shox Zeb Select 27.5", Charger RC, travel 190mm, axle 15mm, 1.8 tapered
SHOCK
Rock Shox Vivid Air Base, 225X75mm
SHOCK HARDWARE
22.2x8mm/Trunnion
HEADSETS
Dartmoor Storm OEM with BarMode
DERAILLEUR
Dartmoor Singlespeed tensioner
BRAKES
SRAM Maven Base, 4-piston brakes, rotors SRAM Centerline front/rear 200mm
CRANKSET
FSA Comet Heavy Duty 2026, 155mm
CHAINRING
Direct mount 34T
CASSETTE
Singlespeed sprocket 13T
CHAIN
KMC X10
PEDALS
without
RIMS
Dartmoor Shield Wide 27.5", 32H, F/V, tubeless ready
FRONT HUB
Dartmoor Reel Boost 110x15mm, 32H
REAR HUB
Dartmoor Reel Expert Boost Singlespeed 148x12mm, 32H
FRONT TIRE
Maxxis Minion DHF 27.5x2.5, WT, Foldable 120TPI, 3C MaxxTerra/EXO+/TR
REAR TIRE
Maxxis Minion DHF 27.5x2.5, WT, Foldable 120TPI, 3C MaxxTerra/EXO+/TR
HANDLEBAR
Dartmoor Viper Pro 800mm, Ø35mm
STEM
Dartmoor Thunder CNC, Ø35mm
GRIPS
Dartmoor Roots
SADDLE
Dartmoor Player
SEATPOST
Dartmoor Player, Ø30.9mmx300mm
COLOR
glossy Cosmic
WEIGHT
16.00kg (w/o pedals)
| size | reach (mm) | stack (mm) | ST (mm) | TT (mm) | eTT (mm) | CS (mm) | HT (mm) | HT angle (°) | eST angle (°) | BB drop (mm) | WB (mm) | stand-over (mm) | wheel size (") | hub size | headset type (S.H.I.S) | BB type (mm) | post diam. (mm) | clamp diam. (mm) | brake mount | max. rotor size (mm) |
| SMALL | 460 | 639 | 410 | - | 545 | 430 | 110 | 65 | 83 | 26 | 1237 | 795 | 27.5/Mullet | 148x12 | IS42/IS60 | - | 30.9 | 34.9 | PM 180 | 203 |
| MEDIUM | 485 | 639 | 430 | - | 565 | 430 | 110 | 65 | 83 | 26 | 1262 | 795 | 27.5/Mullet | 148x12 | IS42/IS60 | - | 30.9 | 34.9 | PM 180 | 203 |
| LARGE | 505 | 639 | 450 | - | 585 | 430 | 110 | 65 | 83 | 26 | 1282 | 795 | 27.5/Mullet | 148x12 | IS42/IS60 | - | 30.9 | 34.9 | PM 180 | 203 |
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