EASY INSTALLATION - Designed for quick installation, the electric bike inner tube compatible fits for the Ridstar Q20 / Ridstar Q20 Pro / Ridstar Q20 Lite Macfox X1S X2 Super73 S1 S2 R Z1 ZX TST R002 R002S perfectly—swap them out in minutes and get back on the road. Universal Inner Tube for Most EBikes. RELIABLE SEALING - The 20x4.0 inner tube is made of qualitative rubber. The inner tube provides reliable sealing and elasticity, ensuring a fit within the tire that reduces the possibility of flats and improves overall ride comfort. THICKER VALVE - Features an extra-sturdy valve stem that locks securely to your pump, preventing air leaks during inflation and maintaining consistent pressure for longer rides. PREMIUM RUBBER - Made from premium natural rubber for superior elasticity and durability, the 20x4.0 inner tube avoid punctures better than standard butyl rubber while maintaining excellent air retention. EXCELLENT SHOCK ABSORPTION - Premium rubber materials provide excellent shock absorption, reducing vibrations from uneven trails, rocks, and bumps. The inner tubes provide a smoother, more comfortable ride in any weather.

Features:

Easy To Install.

Color:
As Pictures

Fitment:
Compatible Fit for Ridstar Q20 / Ridstar Q20 Pro / Ridstar Q20 Lite
Compatible Fit for Macfox X1S X2
Compatible Fit for Super73 S1 S2 R Z1 ZX
Compatible Fit for TST R002
Compatible Fit for R002S,
Universal Front/Rear Inner Tube for Most EBikes

Specification:
Material: Rubber

Package Includes:
1 * 20x4.0 Ebike Inner Tube As Pictures
Instruction of Installation is Not Included.