i used cowk. i dont no how to spell it, its the white stuff you use in like bathrooms and such. i havent ridin mine yet i just used a stock wheel to test it but im sure it'll due. try it every1 should have sum at there house try it and sumbit if its good or not. and if you have no idea what im talkin bout say cough and replace the ''gh'' in cough with a 'ck' no homo