Road Bike Ceramic Pulley Rear Derailleur 12T 14T 16T Guide MTB Ceramic Bearing Jockey Wheel For Shimano Sram GX xx1 Bicycle Part

GANOPPER Bike Ceramic Bearing Pulley Rear Derailleur 12T 14T Road Bike Guide Roller Idler 4mm 5mm 6mm For shimano sram GX XX1 Jockey Wheel Bike Part

Feature:it is machined by AL 7075-T6 round rod ,finished machined by diamond ,with diamond metal texture and good abrasion resistance index , it adopts ed Japanese steel bearing,rotating without  resistance ,it greatly decreased frictional resistance,and increased cycling efficiency, the design inreased bike derailleur shifting speed ,it causes no noice when shifting speed k and prevent bike chain falling .

Product Name:  Jockey Wheel Bicycle Rear Derailleur Pulley

Size:12T,14T,16T,18T

Adapt to the bike speed: 7/8/9/10/11/12 speed

Acrew axis:Fit for 4/5/6 MM roller screw axis

Body:    7075 aluminum alloy

Diameter:50mm(12T),55mm  (14T),68mm (16T),77mm (18T)

Bearing:ceramic bearing ,stainle steel shell , more durable

Copper Bushing , Resistant

Color:  red blablue gold  Green

Net Weight: approx 14.9g

Apply for most of rear derailleur on the market

Package:

Narrow-Wide teeth Rear Derailleur pully *1 pcs

Copper Adapter * 2 pcs(4mm,5mm)

1>Stainle Steel Shell ,more durable , compared with nylon shell ,  nylon shell is easy to break after 100 miles travel

2>Narrow Wide Teeth Design, Prevent the horizontal swing of the chain

3>Copper Bushing ,High Hardne ,Improve Life TimePlease make sure correct teeth installment  :Bike chain '+' tooth matches  Pulley '+' tooth

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Buyer show for SHIMANO

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Buyer show for SRAM

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16T For

(1) Shimano 8800RD--6800 6870/6770/9000/9070,

(2) Shimano 8700RD--5800/5700/4600/4700/105/6600,

(3) Shimano RD--R8000 etc.,

18T For Shimano R7000/R8000/R8050/R8070/R9170/R9150/R9100 etc.,

We would like to invite 20 customers to test our new pulley ,if you are interested in it , please feel free to contact us ,please clithe picture below