Evening,

I have got a new bike and the mount as supplied with the DS-500 does not fit around the post. Do you have any recommended products of suggestions for this.

The seatpost is the one here:

https://d1ilgvohrxeex0.cloudfront.ne..._4_990x600.jpg
http://road.cc/sites/default/files/c...2015%20024.jpg
http://brimages.bikeboardmedia.netdn...oad-bike10.jpg

The circumference is 13cm.