• So I've put some small aerobars on ...

    Those Profile ones where the pads attach to the bars like that fine on smooth roads. But when you hit a bump, the pad gets forced down onto the base bar. When I've used them on audaxes I've often finished the ride with one elbow an inch lower than the other. I think those are aluminium so you can do the pads really tight which might prevent (mine were carbon and I cracked one by overtighening for this reason!)

  • Grip paste?

  • Yes, I do now but probably didn't when it first happened. They are fine on a normal A road for a TT, but roads like the A40 past Gerrards Cross which is really rough on a downhill bit, has caused them to slip even with paste.
    I still use the aerobar despite it being cracked - just gives me something to worry about constantly. They're on an old bike that I've not ridden for about 18 months (and may not ride again) so not a current issue, though.

    @h2o any aerobars are bad news if you hit a bump hard. You tend to get an almighty clang and feel like something is going to break. It usually doesn't, but always best to get onto the main bars if you spot a bump! Sometimes you don't make it, though, cause it's hard to spot / dark / you've lost concentration and not looking, etc

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