Lotsgoods88 via eBay offers these BMX Bike Front Stunt Pegs in five colors (Blue pictured) for $2.39 with free shipping. (Imports247 via Amazon charges a few cents more for them in black.) That's the lowest total price we could find by a buck. They're suitable for 9mm axis bicycles.
Note: This item ships from mainland China and may take three to eight weeks to arrive.