Key to Part Numbers
Part numbers consist of a 12 digit code:

NY .. 075 .120. 30 .. RD....

........................

Material ............ Diameter .......... Bore .................. Hub ................ Colour

Key to materials

Nylon — NY
Polypropylene — PP
Polyurethane tyred — PU
Rubber tyred — RN
Thermoplastic Rubber tyred — TP

Key to colours

White — WT
Black — BK
Grey — GY
Red — RD
Green — GN
Blue — BU
Yellow — YL
Regrind — RG (Recycled material, always black)

For wheels with tyres add colour codes for each section of the wheel starting from the centre working outwards

Wheel Types: Standard wheels are normally in stock or can be produced in 5 to 10 working days.
..........................Special wheels are subject to minimum quantities and increased lead times.