You might be right but haven't paid for the pedals (the US ones with powergrip) as the straps in the UK are the same price as the combination in the US. Also I am unable to actually find anything on the internet which would suggest they are Wellgo LU-898. Can show me?I must say I don't understand why you must get the powergrips including pedals in those ads - they are Wellgo LU-898 pedals, which are 20 year old Taiwanese design, cheap even then, heavy, obsolete... You would have been better off getting yourself a set of mks as others have suggested, and get whatever bindings/straps/clips or powergrips you'd fancy.
PS obsolete?