Rollers: rullaluistemadka track, sprocket, rullaluistemadka sare, hore ee aan shaqayn
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Raad-raac rollerka wiishka qodaya qodista
Qaybaha gaadhi-hoosaadka waxa inta badan loo qaybiyaa: rullaluistemadka, rullalulatuska sare, rullaluistu-lahaynta, sprocket, caag iyo birta.