Jockey Wheels x2 13T Shimano 12sp Compatible - Sealed CERAMIC Bearings

⭐ EJ's CNC Machined 13T Jockey Wheels – Shimano 12 Speed x 2 ⭐

High Strength Aluminium Alloy | Ceramic Bearings

Upgrade your drivetrain with EJ's derailleur jockey wheels, precision-engineered specifically for Shimano 12-speed 13T/13T systems. These jockey wheels deliver crisp shifting, durability, and smooth performance in the harshest riding conditions.

🔧 Key Features

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  CNC Machined  from high-strength Aluminium Alloy

  
  


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  Designed specifically for Shimano 12-speed 13T / 13T setups

  
  


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  Precision tooth profile keeps the chain securely in place for accurate, crisp shifting

  
  


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  Ceramic sealed bearings for ultra-smooth running and reduced drag



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  Double seal for added protection against dirt, water, and debris

⚠️ Note: Stainless steel bearings are not used, as they are softer than bearing steel and wear out faster under load. Visible rust indicates contamination—any bearing will fail regardless of material.

📦 What’s Included

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  2 × 13T jockey wheels (top & bottom)

⚙️ Technical Specifications

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  Material: Aluminium Alloy

  
  


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  Bearings: Ceramic (sealed)

  
  


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  Compatibility: Shimano 12-speed rear derailleurs (13T / 13T setup)

  
  


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  Chain Compatibility: 12-speed

  
  


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  Teeth: 13T (upper) / 13T (lower)



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  Weight: 38g (pair)

  
  

✅ Compatibility

✔ Compatible with Shimano 12-speed rear derailleurs designed for a 13T / 13T jockey wheel configuration