Motorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve Stem
Motorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve StemMotorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve StemMotorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve StemMotorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve Stem

Motorcycle Front Inner Tube - 90/70-17 (3.00-17, 3.25-17) Front Tube with TR4 Valve Stem

$14.95

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Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

This 17-inch front inner tube is designed for mid-profile motorcycle and scooter rims. Manufactured from thick butyl rubber, it provides consistent air retention, structural flexibility, and puncture resistance during highway, street, or everyday commuting use.

This front inner tube matches a 17-inch wheel running a metric 90/70-17 tire size. It serves as a direct cross-fitment for traditional wide-front imperial sizes, including 3.00-17 and 3.25-17. It includes a threaded, straight metal TR4 valve stem equipped with a lock ring and valve cap, which anchors the stem to the rim hole to prevent movement or shearing under heavy braking forces.

This sizing is common on small-to-mid displacement street motorcycles, vintage mopeds, and modern scooters that require a tubed, low-profile front tire setup.

Fitment & Size Compatibility

This 17" front tube spans modern low-profile metric measurements and traditional standard-inch designations.

Size Cross-Reference:

  • Metric: 90/70-17, 80/90-17
  • Imperial (Inch): 3.00-17, 3.25-17, 3.00/3.25x17

Common Vehicle Fitments:

  • Modern Scooters & Underbones: Fits 17-inch front wheels on various small-displacement commuter platforms running a 90mm wide street tire.
  • Vintage & Lightweight Sport Motorcycles: Fits older-generation lightweight standard motorcycles from Honda, Yamaha, Kawasaki, and Suzuki utilizing 17-inch spoked front rims.
  • Custom Retro Mopeds: Suitable for custom retro builds and laced wire wheels requiring a stable tire profile on a 17" front rim.

Key Features & Bullet Points

  • Optimized Front Profile: Sized specifically for 17-inch front rims to ensure uniform wall expansion and responsive steering performance when inflated.
  • Butyl Rubber Material: Made from butyl rubber, which provides higher resistance to natural air loss, temperature changes, and structural wear than standard natural rubber.
  • Threaded TR4 Valve Stem: Features a straight metal TR4 valve stem with a locking nut to hold the stem securely in place against the rim, reducing the risk of flats from valve rotation under hard braking.
  • Size Versatility: Crosses over between modern metric 90/70-17 tire sizes and classic imperial 3.00-17 or 3.25-17 configurations.
  • Thick-Walled Construction: Built with an even thickness throughout the tube body to eliminate thin weak spots and help protect against pinch flats during installation.

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