GoPro Pro Handlebar/Seatpost/Pole Mount Back-bone has no control over

Back-bone has no control over the end user’s skill level and cannot be held responsible for accidental damage

No need to tighten it

so there is no fisheye distortion at all

saving memory and time

GoPro Pro Handlebar/Seatpost/Pole Mount Back-bone has no control overThe Pro Handlebar Seatpost Pole Mount from GoPro is a compact aluminum mount designed to attach your GoPro to standard handlebars and seatposts measuring 0. 87" to 1. 38" in diameter, using a set of five rubber inserts. It is secured firmly in place with the included Allen wrench, and a drawstring storage bag is provided to keep the mount, wrench, and rubber inserts together.