Description
Features:
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 .
Product Name: Jockey Wheel Bicycle Rear Derailleur Pulley
Size: 12T, 15T, 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), 68mm (16T), 77mm (18T)
Bearing: ceramic bearing ,stainless steel shell , more durable Copper Bushing , Resistant
Color: red black blue 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
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