The trip to Krk is suitable for mountain bikes and road bikes. To get on the Krk island you must use the ferry from Lopar to Valbiska. Ferry timetable is available here. Ferry cruise takes 80 minutes. The oneway price (person+bike) in high season is 80 KN / 10,5 Euro (2016). The distance from Valbiska to Krk is ca 15 km.
Conquest of Krk part #1
Conquest of Krk part #2