Enhance your drivetrain performance with EJ's derailleur jockey wheels, precision-engineered for SRAM 12-speed rear derailleurs using a 12T upper / 14T lower configuration. These jockey wheels are built to deliver crisp shifting, exceptional durability, and ultra-smooth operation in demanding riding conditions.
🔧 Key Features
CNC Machined from high-strength aluminium alloy
Specifically designed for SRAM 12-speed 12T (upper) / 14T (lower) setups
Optimized tooth profile keeps the chain securely aligned for precise, consistent shifting
Ceramic sealed bearings for reduced friction and long-lasting smooth performance
Additional protection from a double seal for maximum bearing longevity
