I think you're struggling because of the vanishingly small market size of polo players who need a new set of wheels.
Experienced players already have wheels.
New players are not ready to invest money, even if your wheels are competetively priced.
People who have the money, and are looking to buy, are probably looking at something with cartridge bearing hubs, or a freehub, or 26", or hubgear or something else...
I think you're struggling because of the vanishingly small market size of polo players who need a new set of wheels.
Experienced players already have wheels.
New players are not ready to invest money, even if your wheels are competetively priced.
People who have the money, and are looking to buy, are probably looking at something with cartridge bearing hubs, or a freehub, or 26", or hubgear or something else...