Pararacer makes 27 x 1 1/4, 27 x 1 1/8, 27 x 1.The 1 inch are hard to find sometimes but the 1 1/8 are everywhere.They also make a TG(tour guard) tire,with a built in liner.They are a nice tire for the money.I have been running the TG's for about 3 years,no complaints.