End digit -35 is suitable for newer Skyfox mechanics (from approx. 2010, brass inserts with M3.5 female thread in the main gear)
End digit -30 is suitable for older Skyfox mechanics and suspension mechanics (before approx. 2010, brass inserts with M3 female thread in the main gear)
Please note: Recommended accessories for electrical conversion: Ord.No. 41/25 & 36/48