"A lower intensity indoor cycling session with slightly shorter efforts and longer rest perods. A great introduction to Coach By Colour which is an indoor cycling class using real-time power measurement to ensure you are always working at the right effort level and not oushing too hard too soon. Each of the zones are assigned a colour which makes following the class very simple. Sesiwn feicio dan do dwyster is gydag ymdrechion ychydig yn fyrrach a chyfnodau gorffwys hirach. Cyflwyniad gwych i Coach By Colour, sef dosbarth beicio dan do sy'n defnyddio mesur pwer amser real i sicrhau eich bod bob amser yn gweithio ar y lefel ymdrech gywir ac nad yw'n gwibio'n rhy galed yn rhy fuan. Rhoddir lliw i bob un o'r parthau sy'n gwneud dilyn y dosbarth yn syml iawn. "