Mountain biking is all about your limits. The more difficult trails you ride the bigger fun you may have if shred it with a well-designed frame!
Thunderbird CF is an all-new carbon enduro frame, dedicated to difficult terrain and riding conditions. With perfect lateral stiffness, it is a great 29-er enduro machine with aggressive geometry and 160mm of progressive frame travel. Thunderbird CF will work great with modern heavy-duty forks with 160-170mm travel. Despite the big wheels, the new Thunderbird CF has the Dartmoor DNA and it will not let you down on big jumps, drops, or even in bike parks. For keeping the frame trouble-free, all pivot points are working on the stiff axles mounted on the sealed Max-type bearings.
The progressive suspension design of the Thunderbird CF is perfect for both types of shocks: spring shocks and large-volume air shocks. The construction also reduces the negative impact of braking on the suspension operation. The front triangle and seat stays are made of high-quality carbon fibre with increased wall thickness for better stiffness. The massive rocker is made of one piece of forged aluminum. To ensure the proper strength and durability the whole chainstay and the inserts in the points that are the most exposed to overload in carbon material are made of aluminum as well.
Before we decided to launch the Thunderbird CF frame for mass production, it not only passed a series of tests on a load machine, where the overloads were much more significant than required by the standards but it was also strictly tested on the toughest trails of many European enduro races by our team riders: Marcin Motyka – a legend of the Polish bicycle scene and Olaf Odziomek – a young gun on the Polish enduro scene. Another period of testing was including uncompromised shredding in the Austrian, Czech and Polish bike parks, where our R&D Jan Kiliński was testing the strength of the frame on high drops and long jumps.
Thunderbird CF frame is equipped with SRAM Universal Derailleur Hanger (UDH).
The Thunderbird CF is available either without a shock or with the high-end Fox X2 Factory air shock with high-speed/low-speed compression and high-speed/low-speed rebound adjustments, coated with a Genuine Kashima coat.
With this frame, you can Shred Like Thunder!
Available options: w/o shock; w/Fox X2 Factory Float HSC/LSC/HSR/LSR shock.
Aggressive geometry and 160mm of progressive frame travel. Thunderbird CF will work great with modern heavy-duty forks with 160-170mm travel. The progressive suspension design of the Thunderbird CF is perfect for both types of shocks: spring shocks and large-volume air shocks. The construction also reduces the negative impact of braking on the suspension operation.
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 ensuring the bike can handle whatever challenges you encounter.
Front triangle and seat stays are made of high-quality carbon fiber with increased wall thickness for better stiffness. To ensure the proper strength and durability of the whole chainstay, the inserts in the points that are the most exposed to overload in carbon material are made of aluminum as well.
The massive rocker is made of one piece of forged aluminum. Keeping lateral stiffness on a high level and providing on-trail feeling even in rough terrain.
Yes, we know – mechanics hate that – but we all want to have clean and nice-looking bikes. With that feature, all frames are at least 10% more stylish.
Thunderbird CF 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. It’s possible to adopt both protectors also on the alu version of Thunderbirds.
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 provide over 30% more load capacity than caged bearings.
Rolling on Reel Expert hubs and making noise by wide pawls system with 108 engagement points and a reinforced structure to meet the requirements of modern drivetrains with cassettes generating very high loads when uphilling on a 51T or 52T cog. Each pawl has 2 teeth, catching the ratchet ring simultaneously to increase the reliability of the pawl system.
Specification
WHEEL SIZE
29"
MATERIAL
Carbon
SHOCK HARDWARE
Trunnion/20x8mm
WEIGHT
2.7kg (w/o shock)
COLORS
matt Space Blue, matt Black/Grey
SIZES
M-L
SHOCK OPTIONS
w/o shock; w/Fox X2 Factory Float HSC/LSC/HSR/LSR shock
FRAME TRAVEL
160mm
RECOMMENDED FORK TRAVEL
160-170mm
SHOCK SIZE
205x65mm
MAX CHAINRING SIZE
36T
MAX TIRE SIZE
29x2.6"
HUB SIZE
148x12mm
POST/CLAMP DIAMETER
30.9mm/34.9mm
HEADSET TYPE
IS42/IS52
DERAILLEUR HANGER
SRAM UDH
size | *calc. fork travel | REACH (mm) | STACK (mm) | ST (mm) | TT (mm) | eTT (mm) | CS (mm) | HT (mm) | HT angle (°) | eST angle (°) | BB drop (mm) | WB (mm) | standover (mm) | max. tire size (") | max. chainring size | shock size (mm) | shock hardware (mm) | brake mount | max. rotor size (mm) |
MEDIUM | 170 | 455 | 633 | 437 | - | 613 | 435 | 110 | 64 | 76 | 27 | 1237 | 760 | 29x2.6 | 36T | 205x65 | Trunnion/22.2x8 | PM 180mm | 203 |
LARGE | 170 | 480 | 633 | 452 | - | 638 | 435 | 110 | 64 | 76 | 27 | 1262 | 760 | 29x2.6 | 36T | 205x65 | Trunnion/22.2x8 | PM 180mm | 203 |