Need help?Do you have a question about the Shimano Nexus SG-8C20 and is the answer not in the manual?
General| Model Number | SG-8C20 |
|---|---|
| Series | Nexus |
| Number of Gears | 8 |
| Type | Internal Gear Hub |
| Brake Type | Roller Brake |
| Recommended Use | City Bikes, Commuter Bikes |
| Compatibility | Shimano Nexus Shifters |
Steps for securely attaching the cassette joint to the hub assembly.
Guide for properly installing the hub onto the bicycle frame.
Covers Revo-shift lever operation, cable installation, and cassette joint adjustment.
Troubleshooting abnormal noise and gear shifting problems.
Addressing gear shift failures, stiff operation, and unsmooth gears.
Solutions for braking that is too sudden, weak, or fails to release.
List of necessary tools for replacing the internal unit.
Instructions for safely removing the internal unit from the hub.
Steps for removing brake shoe unit, stop ring, carrier, and ring gear.
Procedures for removing locknuts, washers, and driver assembly parts.
Instructions for removing the driver plate and related components.
Final steps to extract the clutch unit from the hub.
Assembling the core internal components like clutch, spring, and driver.
Installing ball retainers, cones, and the driver plate.
Steps for installing lock washers, stop washers, and locknuts.
Aligning planetary gears and installing the ring gear correctly.
Installing the hub shell, brake shoe unit, and related parts.
Completing assembly with final adjustments and dust cap.
Images showing CJ-8S20 and CJ-8S40 cassette joint models.
Illustrations demonstrating the application of measurement tools.
Details on different Nexus non-turn washers and their markings.
Guide for selecting and using washers with various fork ends.
Technical diagrams showing hub dimensions, O.L.D., and axle length.
Detailed specifications including speed, gear ratio, and materials.
Complete list of spare parts for the SG-8C20 model.
Spare parts list for the SL-8S20 Revo-Shift lever.
Spare parts list for the CJ-8S40 cassette joint.
Spare parts list for the BL-IM65 brake lever.
To Next Page
