chainrings group buy

[geoffs]

Hi all
A local manufacturer and old of chainrings has offered us great prices for a group buy of chainrings.
Here is the website http://www.cycleunderground.com.au/chainringdesigns.htm
All the orders are to go through me so there is a single point of contact for John. You'll find a pic of john at the bottom of this page http://www.stevehoggbikefitting.com/the-team/
The pricing is as follows:
3mm plate $30
4mm Plate $50
no anodising
engraving is possible for a small charge
Info to provide with order is
Your contact details
Number of teeth
BCD (bolt circle diameter)
Thickness 3 or 4 mm

Cheers
Geoff
PS you can find the BCD by measuring between the centers of two adjacent chainring bolts and multiplying this number by 1.7