产品规格
| 型号 | RD-TY21-B-GS |
|---|---|
| 系列 | SHIMANO TOURNEY |
| Color | Black, Silver |
| Cable adjuster | X |
| Compatible chain | HG-UG 6 速 |
| Direct attachment (Conventional) | X |
| Low sprocket_Max. | 28T |
| Low sprocket_Min. | 28T |
| Max. front difference | 20T |
| Pulley_Teeth | 11/11T |
| Pulley cage | GS |
| Rear speeds | 6 |
| Riveted adapter_Road type | X |
| Top sprocket_Max. | 14T |
| Top sprocket_Min. | 14T |
| Total capacity | 34T |
| Riveted Adapter Type | BMX-Track |