37J0A-001_SG-8R31_36
EV-SG-8R31-2783
Technical Documents
Specifications
| Model Number | SG-8R31 |
| Series | NEXUS |
| Speeds | 8.0 |
| Silent Clutch | yes |
| Gear Change Support | yes |
| Shifting Power Modulator | yes |
| Driving Efficiency | Standard |
| Shifting Lever | SB/SL/ST-8S20 (SL-S500) |
| Coaster Brake | - |
| Roller Brake Compatible | yes |
| Dust Cap for V-Brake | - |
| Disc Brake Rotor Mount | - |
| Hub Shell Material | aluminum |
| Hub Shell Finish | painted |
| Gear Ratio Total Difference | 3.07 |
| Gear Ratio 1 | 0.527 |
| Gear Ratio 2 | 0.644 |
| Gear Ratio 3 | 0.748 |
| Gear Ratio 4 | 0.851 |
| Gear Ratio 5 | 1.0 |
| Gear Ratio 6 | 1.223 |
| Gear Ratio 7 | 1.419 |
| Gear Ratio 8 | 1.615 |
| Axle Length | 132mm |
| Over Locknut | 184mm |
| Spoke Holes | 32H/36H |
| Spoke Size | #13, #14 |
| Sprocket Options | 16, 18, 19, 20, 21, 22, 23 |
| Chain Line | 42.7mm |
| Cassette Joint | CJ-8S20, CJ-8S40 |
| Average Weight | 1750g |