Color	Black Blue GREEN Red Yellow
Black Blue GREEN Red Yellow

Description
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Item specifics

Brand Name Icey Charm
Origin Mainland China
Type Rear Derailleur
Components Derailleurs
Gears 12 Speed
Model Number Bicycle Parts
Total Capacity 12T-14T
Material Aluminum
Total Capacity 12T 14T roller
Model Number 12T 14T Ceramic Bearing Pulley
Compatible for shimano for sram 7/8/9/10/11/12 speed
Diameter 50/58mm
Fit 4/5/MM roller screw axis
Bicycle guide wheel Rear shift bearing guide wheel
Spare parts for bicycle Bicycle pieces
ceramic speed bicycle parts
Bicycle components Bike part

Product Description

Feature:
it is cnc machined by AL 7075-T6 round rod ,finished machined by diamond cutter,with diamond metal texture and good abrasion resistance index , it adopts imported 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 .

Specification:
Product Name:  Jockey Wheel Bicycle Rear Derailleur Pulley
Size:12T,14T
Adapt to the bike speed: 7/8/9/10/11/12 speed
Acrew axis:Fit for 4/5/MM roller screw axis
Body:    7075 aluminum alloy
Diameter:50mm(12T),58mm  (14T)
Bearing:ceramic bearing ,stainless steel shell , more durable
Copper Bushing , Resistant
Color:  red black blue gold  Green

Net Weight: approx 12/15g
Apply for most of rear derailleur on the market

Package:
Narrow-Wide teeth Rear Derailleur pully *1 pcs
Copper Adapter *1 pcs

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