2Pcs 11T Aluminum Sealed Bearing Jockey Wheel Rear Derailleur Pulley for Bike Rear Derailleur Black

11T Aluminum Sealed Bearing Jockey Wheel Rear Derailleur Pulley Wheels Contribute To Smoother Rotation While The Aluminum Contributes To More Precise Shifting. The Reduced Friction And Enhanced Bearing Efficiency Result In Quicker And More Accurate Gear Changes; Providing An Improvement In The Overall Performance Of Your Drivetrain

• Package Included : 2Pcs
• Material : Aluminum Alloy
• Use : Fits For MTB Bike Of 11 Speed Chain; Upward Compatibility 6 Speed; 7 Speed; 8 Speed; 9 Speed;10 Speed
• Personalization Options : Are Available in 4 Colors; Allowing You To Customize The Appearance Of Your Drivetrain; This Feature Enables You To Match Your Bike's Aesthetics Or Express Your Personal Style While Benefiting From The Enhanced Performance And Longevity Provided By These 11T Pulley Wheels
• Improved Shifting Performance : 11T Aluminum Sealed Bearing Jockey Wheel Rear Derailleur Pulley Wheels Contribute To Smoother Rotation While The Aluminum Contributes To More Precise Shifting. The Reduced Friction And Enhanced Bearing Efficiency Result In Quicker And More Accurate Gear Changes; Providing An Improvement In The Overall Performance Of Your Drivetrain