Product: Bicycle Rear Derailleur Pulley Jockey Wheel

Brand:MEIJUN

Size:11T 13T,14T,15T,16T,17T,18T

Structure:Ceramic Bearings

Material:7005 aluminum alloy

Diameter:11T--41mm; 13T--49mm,14T-55mm,15T-59mm,16T-63mm,

Color:  Black Red Blue Gold Silver

Weight: 11T-7g/pcs; 13T-12g/pcs,14T-12g/pcs,15T-13g/pcs,16T-15g,17T-15g,18t-21g

Fit for 4/5/6 MM roller screw axis

Apply for most of rear derailleur on the market, support 7/8/9/10 speed

Package inculded:1pcs Ceramic Bearing Jockey wheel

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.