Aprilia 457 Tuono Fork Seals
The Aprilia 457 Tuono runs a 41 mm upside-down front fork, oil seal 41x53x8 (Kayaba 41mm USD (Aprilia Dorsoduro 900 / Shiver 900 / BMW G310 / Triumph Street Triple group)).Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.
- Fork tube41 mm
- Oil seal size41x53x8
- Fork typeUpside-down
- ForkKayaba 41mm USD (Aprilia Dorsoduro 900 / Shiver 900 / BMW G310 / Triumph Street Triple group)
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-117 | 2025 | 41x53x8 | Aprilia 2B004402 |
| 56-190 | 2025 | n/a | n/a |
| 57-174 | 2025 | n/a | n/a |
