Two inner tubes made from Butyl rubber — size 12.5" x 2.25" (12-1/2" x 1-1/4") with A/V (common) valve. Key benefits - Durable puncture resistance: Butyl rubber provides resilience against punctures while retaining the flexibility needed for a secure fit. - Ease of installation: The tube maintains stretch for straightforward mounting and seating inside the rim. - Ready spares: This package contains two inner tubes so you can replace both tires at once or keep one as a backup for quick roadside fixes. - Common valve compatibility: Includes the popular A/V valve for compatibility with most pumps and small bike or scooter rims. Specifications and compatibility - Material: Butyl rubber - Size: 12.5" x 2.25" (12-1/2" x 1-1/4") - Valve type: A/V (common) - Quantity: Pack of 2 inner tubes - Intended for: Small bikes and scooters Installation tip - Inflate the tube slightly before placing it into the rim. This helps prevent the tube from twisting and reduces the chance of pinching during final installation. Practical use scenarios - Emergency spare: Carry one tube as a backup on rides so a flat tire doesn’t end your trip. - Full service replacement: Replace both scooter or small bike tubes together to ensure consistent performance and reduce repeat maintenance. - At-home repair: Keep a second tube for quick swaps during routine maintenance or when preparing a bike or scooter for the season. What this solves - Reduces downtime from flats and simplifies repairs with a ready-to-install spare. - Matches common small-bike and scooter specifications to ensure proper fit and valve compatibility.