Also have you seen this solution by Schmidt? I used it to mount my IQ-X on the underside of the Cycletruck's platform over a year ago and it's held up without any issues - the steel band-n-pinch system means it can be put around almost any diameter tube and it has rubber on the contacting face so it wont swing around.
Also have you seen this solution by Schmidt? I used it to mount my IQ-X on the underside of the Cycletruck's platform over a year ago and it's held up without any issues - the steel band-n-pinch system means it can be put around almost any diameter tube and it has rubber on the contacting face so it wont swing around.