I agree it's a bit vague, but realistically I would hope/think it's never more than min(2%, 5m). It obviously won't be 2m slower on a 4m ride, or 30m slower on

I agree it's a bit vague, but realistically I would hope/think it's never more than min(2%, 5m). It obviously won't be 2m slower on a 4m ride, or 30m slower on a 5 hour ride. I don't think any reasonable person would say those are "close".