Ngenxa yokuba ezi ntlobo ze-sprockets ze-B zenziwa ngobuninzi, zinoqoqosho oluthengisiweyo kunokulungiswa kwakhona kwee-sprockets ze-stock-bore, kunye ne-re-boring, kunye nokufaka isitshixo kunye ne-setscrews.Ii-sprockets ezigqityiweyo zifumaneka kwi-Standard "B" Uhlobo apho i-hub iphuma kwicala elinye.