dia comp.... tektro.... they're all over
Those particular ones are Dia Compe, but Weinmann also made something very similar and most sheds will contain a couple of pairs as they were fitted pretty universally to your mum's shopping bike.
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Those particular ones are Dia Compe, but Weinmann also made something very similar and most sheds will contain a couple of pairs as they were fitted pretty universally to your mum's shopping bike.