CYCLAMI 30g 2PCS Ultralight Folding Bike Inner Tube TPU Bicycle Tire Compatible with 20" 451 Presta Valve 60mm (Include 4 PCS Bike Inner Tire Patch Repair Kit)

• This folding bike tube is compatible with many tire size:20"(451)x23-40.
• Material:The road bike inner tube is made of high quality tpu material, which is abrasion resistant and more puncture resistant.Durable to be used for a long time.
• Ultra light:The TPU Bike Inner Tube is only 30 grams, which is about 100 grams less than the traditional butyl rubber inner tube, reduce the burden on the bicycle, provide more sensitive acceleration and make the ride lighter.
• Small and lightweight:Inner Tube for Bicycle Tire features a small size for easy storage, and is lightweight for you to conveniently carry it around.
• Reduce rolling resistance: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.
• NOTE: Inner tube should not be inflated more than 6 PSI before install, otherwise it will be deformed or blown out.

Product specification Product name:Ultralight TPU Bike Inner Tube Material: TPU Weight:38g Size: 700 x18/23/25/28/30/32c Valve length:60mm