The ZTTO derailleur pulley wheels are praised as a very affordable upgrade, offering smoother spinning via proper bearings and funky color options, though they are not expected to significantly improve speed. They are considered a low-cost way to enhance shifting and durability, with easy installation and broad compatibility.
Pros
- Very cheap at £2.25 each.1
- Proper bearings (sealed) provide smoother spinning than standard plastic pulleys, reducing friction and improving drivetrain smoothness, especially in wet or dusty conditions.12
- Available in funky colors, adding aesthetic appeal.1
- Low-cost way to improve shifting and add durability.2
- Easy installation and broad compatibility with most derailleurs.2
Cons
- Not expected to add much speed to the bike.1
Reviews & Ratings
14:23The reviewer mentions ZTTO pulley wheels with proper bearings that spin more smoothly than standard plastic ones on Shimano Altegra derailleurs. They are not expected to add much speed but look cool and come in funky colors. The cost was £2.25 each, considered a real bargain.
11:10The reviewer briefly mentions the ZTTO MTB Bicycle Rear Derailleur Jockey Wheel Steel Bearing Pulley 11T 13T Purple CNC Road Bike Guide Roller Idler 4mm 5mm 6mm but does not provide detailed analysis.
Where to Buy
AliExpress
Questions about ZTTO MTB Bicycle Rear Derailleur Jockey Wheel Steel Bearing Pulley 11T 13T Purple CNC Road Bike Guide Roller Idler 4mm 5mm 6mm
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