So the negative reports here I can not confirm, on the contrary? if any one can tell of spare fetishists me? where to tackle problems Named Radkappenersatzteil on my Harley? here goes .... this spray in the 300 version has my 2.7 tire pressure negatively impacted by a 400 kg heavy Motorrrad, with a 100kg heavy driver just made (me!) times tight! has also held days until I could to the dealer / 1'm with my boys the weekend tour veeery normal dangers easy, then Bock in the garage and full of confidence two days later? driven still with air pressure ... more 65 kms to the dealer incl. Highway 120 ... have full confidence. My service Passat also has the week Ostseeurlaub with NEM aufgepummptem tire of "saw lots" survived ... 200 km Back and down to the dealer / tire change ('m neither traveling nor when Rei.We the dirty slippers ... iss yet not my problem ...) please note below = 1. if you have the spray a long time in the car, it becomes liquid and no longer funzt (2 years at +40 degrees and - 20 degrees !!!) if you know that you buy just once New !!! 2. My sprays are provided with permanent Maker / purchase date ... I was ... then I'll start with the "elders" to ... to a going ??? 3. if a trader refuses to change because of use of this spray then I'm going to clear ??? = people change dealer !!!! and I'll do my tatschen neither when pouring dirty nor when, the new tires I pay, which must extend beyond argument Harleyman