Shimano Tension & Guide Pulley Set Rd-M5120
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What Is It?
The Shimano Tension & Guide Pulley Set for RD-M5120 is a genuine Shimano replacement jockey wheel kit designed specifically for the Shimano Deore RD-M5120 rear derailleur. The kit includes both the upper guide pulley and lower tension pulley, restoring smooth, precise shifting and proper chain management when the original pulleys become worn.
Designed to Shimano's original specifications, the pulley set features 13-tooth pulleys engineered for Shimano 10-speed and 11-speed drivetrains, ensuring quiet operation, efficient drivetrain performance, and long service life. The genuine Shimano replacement part number is Y3FW98010.
Key Benefits
- Genuine Shimano Replacement: Original equipment pulley set for the Shimano Deore RD-M5120 rear derailleur.
- Complete Replacement Kit: Includes both the upper guide pulley and lower tension pulley.
- Smooth, Accurate Shifting: Restores crisp gear changes and consistent drivetrain performance.
- Optimised Chain Retention: Maintains proper chain tension and alignment across the cassette.
- 13-Tooth Pulley Design: Matches the original Shimano specification for RD-M5120.
- Durable Construction: Built to withstand mud, dust, and demanding trail conditions.
- Easy Installation: Direct replacement using the original pulley bolts.
Specifications
| Specification | Details |
|---|---|
| Product | Shimano Tension & Guide Pulley Set |
| Shimano Part Number | Y3FW98010 |
| Compatible Rear Derailleur | Shimano Deore RD-M5120 |
| Speed Compatibility | 10-Speed & 11-Speed |
| Pulley Count | 2 (Guide & Tension) |
| Pulley Teeth | 13T |
| Chain Compatibility | Shimano HG-X 10-speed, HG-X11 11-speed, LINKGLIDE compatible systems |
| Application | MTB, Trekking, E-MTB |
Compatible Components
The Shimano Y3FW98010 Pulley Set is compatible with:
- Shimano Deore RD-M5120-SGS (10-speed)
- Shimano Deore RD-M5120-SGS (11-speed)
The RD-M5120 rear derailleur is designed for Shimano's versatile 2×10, 1×10, and 2×11 drivetrain configurations, and this pulley set is the genuine replacement for these models.
Who Is This Best Suited For?
The Shimano Tension & Guide Pulley Set RD-M5120 is ideal for:
- Cross-country (XC) riders
- Trail riders
- Trekking cyclists
- E-MTB riders
- Bike mechanics
- Cyclists servicing a Shimano Deore M5120 drivetrain
- Riders replacing worn, noisy, or damaged derailleur pulleys
- Anyone looking to restore original Shimano shifting performance
Compatibility Note: This pulley set is designed specifically for the Shimano Deore RD-M5120 rear derailleur and is not interchangeable with all Shimano derailleur models, even if they use 13-tooth pulleys. Always confirm your derailleur model number before ordering to ensure the correct fit.
