Wheel Spacers

Spacer thickness	MM	Materia used	No
B	4 - 5	Hardened Steel	107
B	10 - 19	Duralumin	108
B	20 - 30	Duralumin	109
B	25 - 30 use of steel pillows	Duralumin	110
B	Use of shifting technique	Hardened Steel	111

D1	Outside diameter
D2	Dividing diameter
D3	Hub diameter
D4	Diameter of center wheel rim hole
D5	Diameter bolt - openning
B	Spacer thickness
L	Hub lenght
N	Holes number