Hi guys,this is only to warn people that i have got a very bad experience with this online bicycle shop in england and hope you double check before buying(read review online),i paid more than 130 pounds for a bottom ceramic bearings and NEVER got it,sent lots of email,telling me that for international delivery,will take 40 days and after the 40 days,was told item was sent years ago,etc..money was never return..so guys choose a better online shop.