TEAMWILL Bike Ceramic Pulley Rear Derailleur 12T 14T Guide Bearing Jockey Wheel (12T Black)
Product Description
TEAMWILL Bike Ceramic Pulley Rear Derailleur 12T 14T Guide Bearing Jockey Wheel (12T Black)
- 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 .
- Acrew axis:Fit for 4/5 MM roller screw axis
- Diameter:50mm(12T),58mm (14T)
- Bearing:ceramic bearing ,stainless steel shell , more durable
- Package:Narrow-Wide teeth Rear Derailleur pully *1 pcs & Copper Adapter * 2 pcs(4mm,5mm)
Technical Specifications
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