There is a completely new model in the Dartmoor-Bikes frame collection! Say hello to Rocbird, the successor to the Blackbird and Bluebird frames. With the new frame construction, this enduro/ singletrack machine will make climbs easier and descents, even more playful. Rocbird has a lighter frame than the aluminum Thunderbirds so it will take some less beating on the most demanding lines, but on most of the enduro trails you will feel the same riding fun, as Rocbird has the progressive Horst suspension design that works flawlessly, even under heavy braking. Rocbird feels bottomless at the curve's end, allowing both spring and air shocks. The combination of a larger wheel at the front and a smaller one at the rear guarantees perfect handling on all types of trails. To increase rigidity and reliability, we used MAX-type bearings with LLU-type seals in this frame. Thanks to the replaceable shock mount, the Rocbird can be fitted with two sizes of shocks and obtain a frame travel of 160mm or 140mm, adapting it to the preferred riding style.
* Rocbird frames are available with or without shocks. Frames without shocks are offered with shock mounts in two lengths, so they can be assembled either with 205x65mm shock as the Enduro version or with 185x50mm shock as the Trail version.
The Rocbird's modern progressive geometry allows for a bottomless feel at the end of the curve, accommodating both spring and air shocks. Each type of shock has its advantages, so the choice depends on personal preference and how the rider prefers their suspension. We aim to accommodate Rider Your Way in all aspects.
The Rocbirds' high leverage ratio at the start of travel helps overcome friction, making the initial part of the ride smooth. Towards the end of the stroke, increased progression provides resistance against bottoming out, ensuring the bike can handle any challenges you encounter.
Are you torn between riding in bike parks or tackling challenging enduro trails with roots, rocks, and mud? The Rocbird can help you with its replaceable shock mount, which allows you to use two different sizes of shocks. This means you can adjust the frame travel to 160mm or 140mm, accommodating various riding styles and preferences.
Rocbird frames are fully compatible with SRAM Universal Derailleur Hanger (UDH) and Eagle Transmission drivetrains.
Our custom bicycle frame protectors are made of thick thermoplastic elastomer material, providing excellent protection against scratches, dents, and impacts. The ribbed pattern design adds durability, and these protectors are specifically tailored to fit Rocbirds frames, offering maximum protection without sacrificing aesthetics.
All Rocbird frames use screw-in bottom bracket type, as we believe it's the best type of BB for MTB frames, because of their durability and easier maintenance. Also, Rocbird frames, thanks to a special cut on the BB shell, can use a dedicated ISCG05 mount, which can be purchased separately. This allows riders to add a chain guide and bash guard, leaving the option open for personal preference.
We know that mechanics hate it, but we all want clean, nice-looking bikes. This feature makes all frames at least 10% more stylish.
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"/27.5"
MATERIAL
AL 6061-T6
SHOCK HARDWARE
Trunnion/ 22.2x8mm
WEIGHT
3.65kg (w/o shock)
COLORS
with shock: Cosmic, Dark Chrome
without shock: Cosmic, Teal Green, Dark Chrome, Red Devil
SIZES
S, M, L
SHOCK OPTIONS
w/o shock;
w/X-Fusion H3A RCP air shock 205x65mm
FRAME TRAVEL
160mm (Enduro version with 205x65mm shock),
140mm (Trail version with 185x50mm shock)
RECOMMENDED FORK TRAVEL
160-170mm (Enduro version),
140-150mm (Trail version)
SHOCK SIZE
205x65mm (Enduro version),
185x50mm (Trail version)
MAX CHAINRING SIZE
34T
MAX TIRE SIZE
29x2.6" / 27.5x2.6"
HUB SIZE
148x12mm
POST/CLAMP DIAMETER
30.9mm/ 34.9mm
HEADSET TYPE
IS42/IS52
DERAILLEUR HANGER
SRAM UDH
ROCBIRD ENDURO (shock 205x65)
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 | 430 | 638 | 400 | - | 570 | 430 | 120 | 64.5 | 78 | 35/16 | 1196 | 778 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |
MEDIUM | 460 | 638 | 420 | - | 597 | 430 | 120 | 64.5 | 78 | 35/16 | 1226 | 778 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |
LARGE | 490 | 638 | 450 | - | 628 | 430 | 120 | 64.5 | 78 | 35/16 | 1256 | 778 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |
ROCBIRD TRAIL (shock 185x50)
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 | 444 | 628 | 400 | - | 565 | 430 | 120 | 66 | 77 | 36/17 | 1189 | 753 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |
MEDIUM | 474 | 628 | 420 | - | 594 | 430 | 120 | 66 | 77 | 36/17 | 1217 | 753 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |
LARGE | 504 | 628 | 450 | - | 624 | 430 | 120 | 66 | 77 | 36/17 | 1247 | 753 | 29/27.5 | 148x12 | IS42/IS52 | BSA/euro 73 | 30.9 | 34.9 | PM 180 | 203 |