2 pack bike tube with bike tube repair tool kits, 3 tire levers, 6 self-adhesive round patches, bicycle inner tube tyres road mtb bike interior tire tube, glueless puncture rep (20" x 1.75-2.125) zsflzs <b>package include: </b><br> 2 x bike tubes, 3 x tire levers, 6 x self-adhesive round patches, 1 x metal cleaning rasp<br><br> <b>specification:</b><br><br> <b>bike tube: </b><br>labeled size: 20 x 1.75/2.125<br> valve type: schrader valve <br> valve length: 32mm (standard bicycle tire schrader valve length) <br> more durable: high-quality butyl rubber compound, better air tightness and a longer lasting tube.<br><br> <b>tire levers:</b><br> size: 4inch x 5/8inch (10cm x1.8cm )<br> material:nylon plastic<br> the nylon plastic tire levers are different from the metal one, they prevent excessive force, damage alloy rims.high hardness, durable and very effective.<br> these tire levers suitable for most of bicycles wheels common bicycle, like mountain wheels, road wheels, folding wheel groups and so on.<br><br> <b>self-adhesive round patches:</b><br> quantity: 6pcs<br> size: diameter: 1 inch (2.5cm)<br> self adhesive patches, can stick on the tire tube without any glue, much easier and quicker to repair.<br><br> <b>ps--</b><br> 1.please kindly confirm the size of your bike tire before you buy.<br> 2.before changing the tube, please check whether have some stones or sharp things that may broke the tube that stay in your tire.<br> 3.remember to always add a little air (to give the tube form) to the new inner tube before installing. this will prevent it from bunching up and/or causing a pinch flat or possibly blowing the tire off the rim (when you immediately and fully inflate) which ultimately will pop the tube.<br> 4.never over inflate past the recommended tyre pressure.