| Activity: | Cycling |
| Groupset: | Shimano |
| Item code: | SHI647131 |
| Model year: | 2023 |
| Manufacturer: | Shimano Parts |
| Product name: | Shimano Alfine CT-S510 Chain Tensioner |
| Shifting system: | Internal Gear Hub |
| Manufacturer page: | http://www.shimano-europe.com/ |
| Smallest sprocket: | 18 |
| Shifting actuation: | Mechanical |
| Manufacturer item code: | ICTS510S |
| Rear derailleur version: | Chain Tensioner |
| Rear derailleur max. teeth: | 20 |
