Originally Posted by
maddog34
that's not an "extender"... it's a 1/2" to 9/16" pedal thread adapter
Whatever it is, I won’t buy stressed parts on eBay or Amazon unless the are a major brand, and then I’m really careful about counterfeits.
For example, there are some SRAM labeled derailleurs on Amazon that are about 60% the cost of what the major online bike retailers sell them for. No thanks.