CYCLAMI 2-Pack TPU Bike Inner Tube Ultralight 2.29oz Mountain Bicycle Tire 29'' Compatible with 1.9/2.0/2.1/2.2/2.3/2.4/2.5 Valve Length Presta 1.77''/45mm for MTB (4 PCS Bike Tire Patch Repair Kit)

CYCLAMI 2-Pack TPU Bike Inner Tube Ultralight 2.29oz Mountain Bicycle Tire 29'' Compatible with 1.9/2.0/2.1/2.2/2.3/2.4/2.5 Valve Length Presta 1.77''/45mm for MTB (4 PCS Bike Tire Patch Repair Kit)

• 【FITS MULTIPLE TIRE SIZES】This MTB Mountain bike tube is compatible with many tire sizes: 29 x 1.9/2.0/2.1/2.2/2.3/2.4/2.5 Valve Length French 45mm
• 【ULTRA LIGHT】The weight of the bicycle inner tube is only 65 grams, which is about 100 grams less than the traditional butyl rubber inner tube, a pair of which can save 200 grams, reduce the burden on the bicycle, and make the ride lighter
• 【WEAR-RESISTANT AND DURABLE】The bicycle inner tube adopts a special TPU material, which also greatly improves the durability compared with the traditional rubber inner tube; In addition, the TUP material is oil and water resistant, and has excellent load-carrying capacity and impact resistance
• 【REDUCE ROLLING RESISTANCE】Because the TPU bike inner tube is only 65g, it will be lighter and more delicate than the ordinary 300g rubber inner tube, and the friction force generated on the tire is small, which can achieve the maximum speed and performance
• 【SAVINGS】It is durable enough to save you some expenses; It also saves you the trouble of changing the inner tube of your bike frequently; This is a device for outdoor riding enthusiasts to consider