GANOPPER Bike Ceramic Bearing Pulley Rear Derailleur 12T 14T 16T 18T Road Bike Guide Roller Idler 4mm 5mm 6mm For shimano sram GX XX1 Jockey Wheel Bike Part
Feature:
1>7075 Alloy Aluminum Body , Light weight and high hardness
2> Stainless Steel Shell ,compared with nylon shell , nylon shell is easy to break after 100 miles travel
3> 4mm ,5mm alloy bushing , make this rear derailleur pulley fits for 4/5/6mm installment size
4> 4 sizes available (12/14/16/18T)
Product Name: Jockey Wheel Bicycle Rear Derailleur Pulley
Size:12T,14T,16T,18T
Adapt to the bike speed: 6/7/8/9/10/11/12 speed
Acrew axis:Fit for 4/5/6 MM roller screw axis
Body: 7075 aluminum alloy+Stainless Steel Shell+ Ceramic Bearing Ball
Diameter:50mm(12T) ,55mm(14T), 68mm(16T), 77mm(18T)
Installment Thickness : 8.5mm
Bearing:ceramic bearing
Color: red black blue gold green
Net Weight: approx 14g(12T)
Apply for most of rear derailleur on the market
Package:
Narrow-Wide teeth Jockey Wheel pully *1 pcs
Copper Pulley Bushing* 2 pcs(4mm,5mm)
Pulley Screw * 1 pcs