| Rim | |
| Material | Toray Carbon T700 / T800 |
| Outer Width | 36mm |
| Inner Width | 30mm |
| Hight | 24.5mm |
| 29er | |
| Model | EC29-36X |
| ERD | 591mm |
| Weight Ultralight | 275±15g (UD carbon fiber only ) |
| Weight-AM | 315±15g |
| Weight-DH | 370±15g |
| Weight for E Bike | 410±15g |
| Feature | |
| Max Spoke Tension | 115-135kgf |
| Rider Weight Limit | Standard 125kg/276lbs,Ultralight 90kg/198lbs, |
| Max Tire Pressure | 40PSI/2.75bar |
| Recommended Tire Width | 2.3"-3.1" |
- Model: EC29-36X
Options disponibles
Optimized Force Transmission & Enhanced Structural Integrity
The recessed spoke holes embed the tension point deeper into the rim structure, allowing spoke tension to follow a more natural load path.
This significantly reduces stress concentration around each hole, improving fatigue resistance — especially important in carbon fiber rims.

Improved Spoke Hole Angle Alignment
The inward curvature allows spoke holes to better match the natural spoke angle from the hub, reducing friction and stress between spokes and the rim wall.
This results in smoother wheel building, more balanced tension, and longer-lasting wheelsets.

Potential Weight Optimization
When properly engineered, the recessed design increases local stiffness without requiring thicker wall sections.
This allows for more efficient material use, enabling overall rim weight reduction while maintaining strength.
Bicycle Wheel Weight Calculator
Note:
We provide custom assembly wheels building service because have many configurations, so the weight of the wheels need be calculated.
If you need lightweight wheels, please choose lightweight rims, hubs, and spokes.
Bicycle Wheel Weight Calculator
After selecting the rims,hub,and spokes, the weight information is listed below the table.wheelset use other hub and spokes ,you can check the weight with sales@carbonbikekits.com
| Rim | Hub | Spokes |
| XC Ultralight | Novatec 791/792 | Pillar 1423 Steel Flat Spokes (6.5g/pcs) |
| AM Version | Straight Pull RAT-HUB03 | Pillar 1420 Steel Flat Spokes (4.5g/pcs) |
| DH Version | J-Bend Ratchet Hub RAT-HUB08 | Sapim CX-ray Spokes (4.25g/pcs) |
| E-Bike Version | J-Bend Ratchet Hub RAT-HUB09 | |
| DTswiss180 | Carbon Spokes:CSK03 (3.6g/pcs) | |
| DTswiss240 | Carbon Spokes:CSK04 (2.6g/pcs) | |
| DTswiss350 | Ultralight Carbon Spokes:CSK05 (2g/pcs) | |
| E-BikeRAT-HUB0-E1 | Unlimited Spokes:CSK06 (3.6g/pcs) | |
| Straight Pull Ratchet Hub RAT-HUB01 |
Reviews Over ArcX 275g Ultralight 29er Carbon 36x24.5mm inner Width 30mm Tubeless Hookless Asymmetric MTB Wheels
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