  Fork cap O-Rings for Ducati singles with 31.5mm forks. These odd size 17.5mm O-Rings fit: Monza, Sebring, Diana and most narrow case singles. O-rings only fit fork caps with 26mm threads. Ducati part # 0460.37.478 and sold in a set of 2 O-rings. Note: These do not fit bikes with Marzocchi 35mm forks. |