As above used only a few times on my mountain bike. http://www.ebay.co.uk/itm/251143289039?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_sacat%3D0%26_nkw%3D251143289039%26_rdc%3D1#ht_500wt_922