Originally Posted by
kingston
My current winter bike is a 1990 Schwinn KOM S7 with marathon winters 26x1.75 at around 50-60 psi. Couple of photos of the bike and MUPs around me
here. There's also a picture of the bike on my blog in the link under "bikes".
50 -60? No wonder you are not staying upright. Try 30-35 max. or so. Way too much pressure. You want the tires to flatten out some to get the studs to contact the ice.