I got a frame. But it looks like it uses a different size than an easter bike
You may need to be more specific with the question but i assume that you are talking about the bottom bracket bearings. In BMX there are various BB (bottom bracket) sizes there are, Euro BB, Spanish BB, American BB and Mid BB. The most commonly used BB is the Mid which most BMX frames use now days, the American BB is quite old and dated the other BB that you may see is the Spanish BB which is used by various companies one being Fly Bikes (being a spanish company). You may find that your Hoffman frame has a Mid BB and the Eastern frame you own has a Spanish BB the most common difference is the Mid is larger than the Spanish, unless you provide some more information i suggest that you go to your local bike shop and ask for their opinion or help. Good luck!
