Zipp Smart Tube - AXS bikebox Compatible with 28

Compatible with 28

Rear Derailleur Shimano GRX 825

By focusing on area reduction

Ideal for urban commuting and recreational riding

Fits tires up to 2

Zipp Smart Tube - AXS bikebox Compatible with 28The Smart Tube from ZIPP is specially developed for wheels with AXS tire pressure sensors. The special tube made of thermoplastic polyurethane (TPU) is required for proper use of the air pressure sensor. Conversely, the special design of the threaded valve does not allow mounting on other rims, as air would escape due to the sensor specific holes in the valve stem. Specifications Compatibility: ZIPP 303 SW, ZIPP 353 NSW 1 inner tube with special valve