Standard Inner Tube — 21" rim, fits 2.75-21, 3.00-21, 80/100-21, 90/100-21, 90/90-21, 100/80-21, TR-4 valve

Standard Inner Tube — 21" rim, fits 2.75-21, 3.00-21, 80/100-21, 90/100-21, 90/90-21, 100/80-21, TR-4 valve

0350-0350
B20078
100% butyl inner tube for improved air retention. Individually boxed; sizes and valve types clearly marked.
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€11.28
€15.97
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Made from 100% butyl polymer, these real butyl tubes minimize natural air leakage and retain pressure longer for reliable performance. 😊

Unlike blended 'butyl' tubes that include natural rubber, these tubes deliver consistent air retention and dependability for everyday riding. 🚲

  • Real butyl construction for superior air retention
  • Each tube is individually boxed with sizes and valve types clearly marked
  • Designed for easy installation and extended inflation intervals
: 0350-0350
In Stock

Data sheet

Type
Motorcycle
Units
Each
Brand
PARTS UNLIMITED
Rim Diameter
21"
Duty
Standard
Inner Tube Valve Stem Type
TR-4 (Round Base), Center Metal Valve (Threaded/Nuts)
Tube Thickness
2.0 mm
Material
Butyl Polymer
Tube Fits Tire Size
2.75-21, 3.00-21, 80/100-21, 90/100-21, 90/90-21, 100/80-21