Flevo-racer with chain box: the frame
The design in parts
	Overview of the design (start page)
	Adjustable seat
	Chain box design part 1
	Chain box design part 2
	Chain box design part 3

Frame
This is the final choice for the frame for reasons of:
- enough space to have the seat movable forwards and backwads;
- bending curves (radius) that can be practically realized in less sophisticated mechanical workshops;
You can notice that the rear frame tube is one part wich makes it stiffer than the original Flevo-racer frame. The whole for the bottom-bracket is fixed because the chain-box is fixed. The choice for a tubular frame is esthetic. It makes fenders neccessary.