Description
specification
Bike Cycling Aluminium Ceramic bearing Jockey Wheel Rear Derailleur Pulley 12T,14T
Gear: 12T 14T
Bearings: Ceramic bearing. Stainless shell , durable
Colour: Blue, Black,Gold ,Red,Green
Weight: approx 14.9g
Diameter: approx 50mm12T
Installation dimension:4/5/6mm
Material: 7075 Aluminium Alloy body& Ceramic Bearing
Fit For: Shimano Sram 9/10/11/12 Speed bike Rear Derailleur
Copper Adapter: 4mm,5mm
Fearture:
12T/14T teeth bicycle rear derailleur accessary.
Made of CNC aluminum alloy, lightweight and durable.
A necessary accessary for your bicycle.
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 .
package:
Narrow wide gear Cycling Bike Wheel Rear Derailleur Pulley x 2 pcs
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