Seat Post Clamp

Bike Parts - the seat post clamp size is determined by the diameter of the seat post.  If you have a seat post with a 22.2mm r 7/8" diameter then use a 22.2mm or 7/8" seat post clamp.  If you have a seat post with a 25.4mm r 1" diameter then use a 25.4mm or 1" seat post clamp.