St Fagans is not just the default place to take friends and family from out-of-town, it’s also the source of the finest Welshcakes I’ve eaten. Fortunately, they also cater for cyclists and they are sat virtually on the Ely Trail.
You may lock your bike to one of our sheltered bike racks at the main entrance, in our patrolled car park. Lockers are available on request for people wishing to store equipment and are provided for a returnable deposit of £2.00. Please ask at the main entrance desk.
Source: Location | National Museum Wales
I’m not sure how many racks they have, but I’ll check next time I’m up there.