1888a123_Beginner_Dirt_Bike___GICL_Wiki_Dirt_Bike_Parts_List_Function
[Part and Quantity] Frame (1) [Part Number] DR70-100 [Materials] Metal steel mixture so that it is light but has steel for strength [Forces] Forces are the weight of the bike and the rider along with the vibrations that were not absorbed by the shocks [Manufacturing Process] Metal tubing heated then bent to create shape of bike along with some welding to connect joints [Shape] Shape is formed to connect all components of the bike while still creating a comfortable riding position [Part Complexity] 2 [Function] 
Functional: Holds components of bike together
Group 11 - Beginner Dirt Bike - GICL Wiki