b44 pin drive wheels to hex

[swords]

Hi I have an old b44 which I havent used for quite a few years, but it has the old style pin drive rear wheels.Looking to dust it off and have a race but I see that most cars now use hex drive wheels, never liked the pin drive wheels anyway due to either stripping the plastic or losing the pin. Just wanted to know if there is an adapter available which can convert my car to use the hex wheels while maintaining the correct track width. If anyone could point me in the correct direction and which wheels are suitable it would be appreciated.