The 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.
The stock listed above does not take into account variances in stock levels that may occur and any items on hold.