Stud Length: 115mm. CVT Roller Sets. This product is suitable for the Aprilia RS 50 03-05 (AM6) [ZD4PG / ZD4SE0 / ZD4TS0 / ZD4TSB / ZD4TSJ]. Aprilia RX 50 18- Malossi Temperature Sensor Adapter. Aprilia RS4 50 2T 2018 Malossi Temperature Sensor Adapter.