Pulley Wheel Gear Guide Roller Jockey 10t 12t 14t 16t Bearing Road MTB Bike Rear Derailleur for GX

Pulley Wheel Gear Guide Roller Jockey 10t 12t 14t 16t Bearing Road MTB Bike Rear Derailleur for GX XX1 for Shimano M9000

Name: Pulley Wheel, narrow wide toothMaterial: POM high strength resin, NSK bearingBearing: Japan NSK 689Tooth: 10T/12T/14/16TWeight: 9g/10g/12g/15gThickne: 8mmInner diameter: 6mm (compatible with 4/5mm)Color: blawheel with blacover, blawheel with red coverFit for: 9 10 11 12 speed, for Shimano and Sram Derailleur(most)Package: 1* pulley wheel, 1*bolt adapter for 4mm to 6mm, 1*bolt adapter for 5mm to 6mmAdvice to customer want to modification:1. If you are single chainring, recommend change to narrow wide tooth. Performance will better2. More tooth means more likely to round, but only recommend add 1 tooth. For example, if you are using 11T, the max you can change is 12T. 13T is too big for you.Tooth OD(mm) Weight(g) Fit for10T 43.1mm 9g Short arm leg12T 52mm 10g Most middle and long arm14T 58mm 12g Some long arm16T 65.5mm 15g Very le long armPolyoxymethylene (POM), also known as acetal, polyacetal, and polyformaldehyde, is an engineering used in precision parts requiring high stiffne, low friction, and excellent dimensional stability.POM is characterized by its high strength, hardne and rigidity to −40 °C.Typical applications for POM include high-performance engineering components such as small gear wheels, eyegla frames, ball bearings, ski bindings, fasteners, , handles, and losyst. The material is widely used in the automotive and consumer electronics industry.

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