this is the same bike as the superbike rbp125 and skyjet sj125-23 is it not? I am already looking into sprockets and a new chain for one of these as I bought it for my nephew to learn on

17 tooth front sprocket
http://www.ebay.co.uk/itm/Gearing-Up...item4176e3f94a

also get a new chain and rear sprocket while your at it if needed

http://www.ebay.co.uk/itm/Skyjet-Chi...item1e8f15e608