1. Dr Hongzhi Mo

    Sealant - how long does it really last??

    In my case, i put on a new tire 1 year ago (700c-28mm), with 35-40ml sealant, and half a year ago, i top up another 25ml through the valve hole. Yesterday i remove the tire, and realized there is around 60ml sealant still there. According to any sealent instructions seems sealant will be...