Are you tired of your 50mm rear hubs moving in while your out on track? Look no further then the axle locking key! Simply replace your standard axle key with the axle locking key, set your rear track and tighten the stop against the hub! No more rear hubs coming in!
These locking axle keys come in a pair and will fit Parolin, Kart Republic, Will Power Kart, FA Alonso Kart, Energy Corse Kart, Top Kart and many more!
Sold as a pair.