








11T Rear Derailleur Pulley Wheel
The RISK RA126 11T Ceramic Bearing Pulley Wheel is designed for smooth, efficient, and reliable shifting performance on mountain bikes and road bikes. Made from lightweight 6061 aluminum alloy with precision CNC machining, polishing, and anodized finishing, this derailleur pulley offers both durability and a premium metallic appearance.
Equipped with a ceramic bearing, the pulley wheel delivers smooth rotation, low friction, and quiet operation. Its hollowed-out lightweight design helps reduce weight while maintaining strength. The included adapter sleeves allow compatibility with 4 mm, 5 mm, and 6 mm mounting shafts, making it suitable for a wide range of rear derailleurs.
This pulley can be used as both a guide pulley and a tension pulley, making it a practical upgrade or replacement part for bicycle drivetrains.
Suitable for:
Note: Please check your rear derailleur pulley size and mounting shaft diameter before purchase.
Available colors:
| Item | Details |
|---|---|
| Brand | RISK |
| Model / Item No. | RA126 |
| Product Name | Ceramic Bearing Rear Derailleur Pulley Wheel |
| Material | 6061 Aluminum Alloy + Ceramic Bearing |
| Teeth | 11T |
| Inner Diameter | 6 mm |
| Adapter Compatibility | 4 mm / 5 mm / 6 mm |
| Thickness | Approx. 8.4 mm |
| Net Weight | Approx. 9.3 g |
| Package Weight | Approx. 12 g |
| Package Size | Approx. 10 × 8 × 1 cm |
| Colors | Black / Red / Blue / Green |
| Application | Rear derailleur guide pulley or tension pulley |

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