Thanks for the tips but the first flat I took it to the bike shop and had them put a new tube in. they flipped the tire inside out and looked for any thorns but none was found. Both flats have been tiny pin holes from thorns or stickers I would have to say cuz I avoid any pot holes as best I can but I do jump off curbs and speed bumps and little stuff like that but that’s not when the flats happen. In my opinion I think the kenda karma l3r pro 29*1.9 are just a very thin tire that has no puncture resistance. Like I said I’m new to this sport but as a kid riding bmx bikes I never got a flat. I’m just worried that if I’m getting flats on the road what is going to happen when I’m rolling over sticks and rocks and other stuff! I don’t know I’m stuck what should I do or what tires should I put on?