- A new level of performance for Shimano 12-speed road rear derailleurs. Wide 36T-compatible 12-speed Di2 rear derailleur. Receiving the wireless shifting signal from the shift lever, the Shimano Di2 105 rear derailleur completes a shift in the blink of an eye with its high-performance motor and optimized link structure.
- A low-profile design reduces damage from contact and falls
- Compact design includes an integrated wireless unit, charger, switch
- LED status indicator
- Wider range capacity
Attributes
| Cage | SGS |
| Max Front Difference | 16T |
| Maximum Cog | 36T |
| Minimum Cog | 11T |
| Primary Color | Black |
| RD Capacity | 41T |
| RD Spring Type | Shadow |
| RD Weight | 302g |
| Speed | 12 |
