This Vee Rubber TR4 - Heavy 80/100-21 inner tube is designed for 21" rims . It is much thicker than classic inner tubes and is perfectly suited to enduro and MX riding.
Delivered in individual box with cap and valve nuts.
- TR4 Standard (right valve)
- SUPER HEAVY DUTY : Thickness 5 mm + double reinforcement
- Designed for intensive practice in enduro and MX
- Reinforced double thickness offering better resistance to punctures .
- 5mm thick compared to 4mm previously!