30.8mm

This is a brand new Bicycle Seatpost Shim. Enables a 27.2mm seat post to be used in a 28.6mm seat tube! It is brand new and in its original never opened packaging! Length: 80mm including top lipMaterial: Aluminum alloyFinish: Knurled for additional grip Weight: 43g SHIPPING TERMS & CONDITIONS: We're reasonable & honest folks, but in order to continue to provide great prices & service, we cannot deviate from these policies: ADDRESS CHANGES MUST BE MADE WITH PAYPAL PRIOR TO PAYMENT. We can ship only to your Ebay delivery address. I really appreciate your business and will work hard to earn your positive feedback & your repeat business! If you feel that you cannot leave +feedback please contact me and I'll immediately correct any problems. I work very hard to avoid problems, but occasionally I do make mistakes, some of them computer related and some human related, but I will always make it right. You have my word on it! Thanks for your business!