CYCLAMI 30g TPU Inner Tube 700x18/23/25/28/30/32C Road Bike Tube for

• [Ultra-lightweight]: The bicycle TPU inner tube weighs only about 30g, which is about 100g lighter than traditional butyl rubber inner tubes or latex inner tubes, and 200g lighter for a pair of front and rear tubes. • [Compatible with various tire sizes]: This 28 inch 700C road tube is compatible with many tire sizes.Compatible with tire sizes of 700Cx18/23/25/28/30/32C.Since it is a metal valve, it has excellent airtightness.Valve length: 85mm. • [Reduced Rolling Resistance]: The TPU inner tube is designed to be lighter and more compact than traditional 200g rubber tubes, reducing the friction forces produced by the tire for maximum speed and performance. • [Durability]: The TPU road bike tube uses a special TPU material, which greatly improves durability, and the TUP material is water resistant and has excellent load bearing and impact resistance. • [Note]: Please first inflate very lightly with 3psi pressure before installation.This makes installation easier.However, exceeding 5PSI can cause irreparable expansion!