Continental: Your new training partner  Indoor trainers which require use of your own bikes rear wheel can put demands on your tyre that can result in premature wear. The Hometrainer tyre has a special low temperature compound which is both hardwearing and smooth running. This ensures that the tyre lasts, coping easily with the added lateral stresses of hometrainer use and helps not to disturb neighbouring people too much! For indoor use only. This tyre will not grip sufficiently on asphalt or tarmacAvailable in four sizes including 27.5