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GroupsetWHEELTOP For EDS TX OSPW Carbon Fiber Ceramic Bearings pulley wheel cage upgrade kit WHEELTOP TX
Created: August 06, 2025The reviewer discusses the WHEELTOP TX Carbon Fiber Ceramic Bearings pulley wheel cage upgrade kit in detail, focusing on its design, functionality, and performance. They highlight its oversized pulley wheel system with an 18-tooth tension pulley and 11-tooth guide pulley, ceramic bearings, and carbon fiber construction. The reviewer explains how the larger pulley reduces chain articulation and friction, potentially making the drivetrain quieter and more efficient. They also mention the aesthetic appeal of the product, including its 'outer space' look and multicolor light-reflecting decal. The reviewer tested the product on a Wheeltop TX rear derailleur and attempted to fit it on Shimano derailleurs with some modifications. They conclude that while the upgrade offers marginal performance benefits (approximately 1.63W power saving), it's primarily a bling upgrade for those who have already optimized other components.
AI-Summary
Pros
- Reduces chain articulation and friction
- Ceramic bearings in both top and bottom jockey wheels
- Carbon fiber construction
- Potential for quieter drivetrain
- Aesthetic appeal with 'outer space' design
- Multicolor light-reflecting decal
- Marginal power savings (approximately 1.63W)
- Placebo effect may encourage more riding
- Unique visual effect where jockey wheel appears stationary while riding
Cons
- Only compatible with Wheeltop TX rear derailleur without modification
- Requires adding 3 extra chain links (can be problematic for some users)
- 31g heavier than stock cage
- Minimal actual performance gains
- Less aerodynamic than original jockey wheel
- Potential chain slap with reduced spring tension
- High price ($139-$159 USD)
- Installation requires technical skill (especially chain modification)
Key Points
- 18-tooth tension pulley and 11-tooth guide pulley
- Ceramic bearings with ceramic inner/outer races
- Carbon fiber construction with about 8 layers visible
- Wide-narrow tooth pattern on tension pulley
- Requires adding 3 extra chain links
- 31g heavier than stock cage
- Estimated 1.63W power saving
- Spring tension can be adjusted via different mounting holes
- Designed specifically for Wheeltop TX rear derailleur
