These are SLIME tubes for your mountain bike that are filled with a self healing sealant to help prevent flats while riding. Small punctures from glass, thorns, cacti, etc. up to 1/8" are sealed so that you do not get a flat tire. Highly recommended for racing and difficult desert terrain where punctures are likely and can work repeatedly. Please specify Presta or Schrader - and they are available in sizes 26X1.75/2.125. *For Maximum Protection, also available in extra thick Thornproof model with slime - please specify when ordering. NOTE: A recent trip to ride in the desert in Sedona, Az. proved the slime tubes are indispensable for desert riding. A totally flat tire with cactus thorn puncture had thorn removed and just pumped back up and the slime held the pressure for many days... no need to put in a new tube - Quick and Easy!! continue shopping... Availability: Usually ships in 2-3 business days. Regular price: $10.99Sale price: $9.99Specify: Presta26X1.75/2.125Schrader26X1.75/2.125ThornproofPresta/Slime(+5.00)ThornproofShrader/Slime(+5.00) We Ship Worldwide! WEBMOUNTAINBIKE.COM 1-877-YOU-BIKE ~~RIDE WITH US!~~ Page Views (Last 365 Days) 1,657,850 STORE | OUR RATINGS HOME | ADVERTISE WITH US | COPYRIGHT | PRIVACY POLICY | WATER BOTTLES CONTACT US | MESSAGE BOARD | OUR ADDRESS | PHONE US | EXCHANGE LINKS | SHOPPING INFO SHOP BY MANUFACTURER AFFILIATE PROGRAM | GET NEWSLETTER LINKS