[Lifetime Warranty] 12/12.5 x 1.75/2.25 Inner Tubes with Bent Valve - Heavy-Duty 2mm Butyl Rubber - Replacement for Electric Scooters E-Bike Bicycle Tires - Pack of 2
Two 12.5-inch heavy-duty butyl rubber inner tubes for electric scooters and bikes with bent valves.
Dimension diagram showing 12.5-inch outer diameter and 2.25-inch width for electric scooter and bicycle inner tubes.
Collage showing 12-inch inner tubes used on electric scooters, kids' bikes, and e-bikes for wide application.
Heavy-duty butyl rubber inner tube with bent valve and infographic showing durability features.
Heavy-duty 12-inch inner tube installed on an electric scooter wheel for puncture resistance on various terrains.
Close-up of heavy-duty inner tube featuring a reinforced bent brass valve stem and air-tight cap for electric scooters.
Comparison graphic showing 2mm thick heavy-duty butyl rubber inner tube versus standard 1mm thin rubber tube.
Six-step installation guide for replacing electric scooter and e-bike inner tubes on a wheel rim.
Two 12-inch heavy-duty butyl rubber inner tubes with bent valves for electric scooters and e-bikes.
Two 12.5-inch heavy-duty butyl rubber inner tubes for electric scooters and bikes with bent valves.
Dimension diagram showing 12.5-inch outer diameter and 2.25-inch width for electric scooter and bicycle inner tubes.
Collage showing 12-inch inner tubes used on electric scooters, kids' bikes, and e-bikes for wide application.
Heavy-duty butyl rubber inner tube with bent valve and infographic showing durability features.
Heavy-duty 12-inch inner tube installed on an electric scooter wheel for puncture resistance on various terrains.
Close-up of heavy-duty inner tube featuring a reinforced bent brass valve stem and air-tight cap for electric scooters.
Comparison graphic showing 2mm thick heavy-duty butyl rubber inner tube versus standard 1mm thin rubber tube.
Six-step installation guide for replacing electric scooter and e-bike inner tubes on a wheel rim.
Two 12-inch heavy-duty butyl rubber inner tubes with bent valves for electric scooters and e-bikes.
Lifetime Warranty

[Lifetime Warranty] 12/12.5 x 1.75/2.25 Inner Tubes with Bent Valve - Heavy-Duty 2mm Butyl Rubber - Replacement for Electric Scooters E-Bike Bicycle Tires - Pack of 2

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12/12.5 x 1.75/2.25 Inner Tubes with Bent Valve - Pack of 2

Key Features

  • Package Contents: Includes two inner tubes.
  • Material: Constructed from 2mm thick heavy-duty butyl rubber for enhanced puncture resistance and air retention.
  • Valve Type: Features a bent metal valve stem (TR87 style) for easier access during inflation.
  • Performance: Provides improved shock absorption and durability compared to standard inner tubes.

Replaces / Cross-Reference Part Numbers

  • 12.5 x 1.75
  • 12.5 x 2.125
  • 12.5 x 2.25
  • 12 1/2 x 1.75
  • 12 1/2 x 2 1/4

Compatibility & Fitment

  • Fits 12-inch and 12.5-inch rims with tire widths from 1.75 to 2.25 inches.
  • Commonly used for electric scooters, e-bikes, children's bicycles, strollers, and push carts.
  • Compatible with models from various brands, including Jetson and Gotrax, that use this tire size.

When to Replace

  • Visible punctures, cuts, or abrasions on the tube surface.
  • Tube no longer holds air after inflation.
  • Bulges or deformities appear when inflated.
  • Valve stem is damaged, corroded, or leaking.
  • Recommended to replace when installing a new tire.

Installation Tips

  • Before installing, check the inside of the tire for any sharp objects or debris.
  • Slightly inflate the new tube before placing it inside the tire to prevent twisting.
  • Ensure the valve stem is properly seated and perpendicular to the rim.
  • Use tire levers carefully to avoid pinching or puncturing the new tube.
  • Inflate to the recommended PSI (pounds per square inch) indicated on the tire's sidewall.
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HIGH PUNCTURE RESISTANCE

HIGH PUNCTURE RESISTANCE

Reinforced design resists sharp objects and minimizes the risk of blowouts on rough terrain, ensuring a safer ride
EXCEPTIONAL PARTS, REMARKABLE JOURNEY

EXCEPTIONAL PARTS, REMARKABLE JOURNEY

Enjoy your seamless experience with the support of our replacement parts!

FAQ

These tubes are intended for tires marked 12 x 1.75, 12 x 2.125, or 12.5 x 1.75 through 12.5 x 2.25. The key is matching both the wheel diameter and staying within the tire width range the tube is designed to expand into.
They can work on electric scooters, e-bikes, and bicycles that use the matching 12-inch or 12.5-inch tire sizes and a bent valve configuration. Before ordering, confirm the size printed on your tire sidewall and compare your current valve shape to be sure a bent valve is required for your rim or motor-wheel setup.
Replacement is usually the better choice if the tube has a split seam, multiple punctures, a torn valve stem area, dry cracking, or repeated slow leaks even after patching. Tubes used on scooters and e-bikes often fail around the valve stem from heat, underinflation, pinch flats, or repeated curb impacts.
A bent valve can make inflation easier on compact wheels where the rim design, brake components, or hub motor leave limited access for a straight valve. It also helps reduce strain during inflation if your pump head would otherwise press awkwardly against the valve on a small wheel.
Typical tools include tire levers, a pump, and sometimes small wrenches if the wheel must be removed from the scooter or bike. Lightly inflate the new tube before installing so it holds its shape, inspect the inside of the tire for thorns, glass, or wire, and check the rim strip or spoke holes to make sure they will not damage the new tube.
Common causes include underinflation, overloading, hitting potholes or curbs, debris left inside the tire, a damaged rim strip, and misalignment that pinches the tube during installation. On electric scooters and e-bikes, extra heat and weight can also accelerate wear if tire pressure is not checked regularly.