MUQZI Ceramic Bearing Jockey Wheel 11T 12T 13T 14T 15T 16T 17T MTB Road Bike Rear Derailleur Ultralight Pulleys

MUQZI Ceramic Jockey WheelFeatures:Improves Pedaling Speed By Reducing Friction: The Ceramic Inner Bearing, Specially Designed For Cycling, Has Minimal Friction That Significantly Improves Performance Thanks To a Much Smoother Transmission，It Can Effectively Restrain The Horizontal Swing Of The Chain And Make The Speed Change More Accurate.Circlip Type Design：Do Not Worry About The Bearing Will Rub The Edge And Cause Abnormal Noise. Two Adapter Are Given As a Gift, Which Is More Compatible And Can Be Converted Into 4/5Mm Bearings After Installation, With Flexible Rotation.Ultralight And Resistant: Made With CNC Aluminum Alloy That Ensures Maximum Strength And Durability With The Least Weight . Cnc Machining Construction Maximizes Quality For a Perfect Finish.Tips:Please Choose The Same Size With The Original Pulley. If No Totally Same, Choose The Smaller Type, Never Choose The Bigger Than Original Ones.Product information:Material: Aluminum Alloy + CeramicColor: Black/Red/GoldSpecification: 11/12/13/14/15/16/17TSuitable for: 7/8/9/10/11 speed chainDelivery Details: 1 Guide Wheel + 2 adapter + 1 ScrewsFrequently Asked Questions: 1. How long does it take to send a package?Within TWO days (except holidays)2. What if I do not receive my items?Please contact us first, we will track your items. If you cannot receive it, we will refund it in full, please do n’t worryDear buyer：Your feedback is very very important for our store. If you are satisfied with our store. Please leave a positive feedback. And useful comments for other customers.Thank youItem as descrbes:★★★★★Communication:★★★★★Shipping Speed:★★★★★directly before leaving negative feedback We will do our best to solve any problems and provide you with the best customer services