1888a123_Beginner_Dirt_Bike___GICL_Wiki_Dirt_Bike_Parts_List_Function
[Part and Quantity] Front Axel (1) [Part Number] DR70-159 [Materials] Metal, steel for strength [Forces] Force that the weight of the rider and bike exert on the front wheel [Manufacturing Process] Extruded and then threaded [Shape] Long cylinder which fits directly in the center of the front wheel [Part Complexity] 1 [Function] 
Functional: Connects the front wheel to the front forks while still allowing the wheel to freely rotate
Group 11 - Beginner Dirt Bike - GICL Wiki