This is what I have and I can't speak highly enough of them. Model number is 591.
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Halfords bars and halfords carriers.... good advice from Halfords staff shock horror! When I bought them, was going for Thule, but shop guy told me they were made by Thule, for Halfords, and were the same item, except price and branding. Can't remember the particular models, but had them for a few years now, no probs including at speed (70, of course).
Just one note of caution. I'm happy to leave my bikes locked to the car for short periods when I'm away from home but I wouldn't do it at home.
Here's the reason
Basically anyone can read the number on your locks and order a key for £3.45
Not only can they then nick your bikes, they can have the bars and carriers away too!
I have finally convinced myself i need one.
Will buy 2nd hand (ebay) roof bars for the car and the Thule 931 pro carrier.
Question: what is a safe speed with my road bike mounted?
Any good or bad motorway experiences?
I'm hoping i don't have to trundle along at 60mph
I believe there's an app for just this sort of thingIt's probably so obvious that no-one else has mentioned it, but be careful about driving under height restrictions, e.g. car park barriers, with your precious bikes on the roof!
I've got two old 531's (15 years old now) and two 591's permanently attached. the 591's are a lot easier to use but they are bulkier too. Four wouldn't quite fit but I can get two 531's on were I might not get two 591's. So measure your roofbars carefully.
Speed is only an issue with fuel consumption. Somewhere on the Thule website was a rally car with two 591's on top going around a course. It did eventually break but it took a while.