Mae seiclo o Lanelli i Gaergybi yn her, ond beth am reidio beic wedi'i wneud o fambŵ? Shân hears about a challenge to ride a bamboo bike from Llanelli to Holyhead. Show more
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Mae seiclo o Lanelli i Gaergybi yn her, ond beth am reidio beic wedi'i wneud o fambŵ? Shân hears about a challenge to ride a bamboo bike from Llanelli to Holyhead. Show more
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
