Does this fit a Radpower Radrunner?

When it comes to tubes I wouldnt see if it works on a brand of e bike but just make sure it fits your rim and tire size. I bought this for my brother who has juiced scorpion and a tire size of 20x4. Hopefully that helps.

what psi are the inner tubes rated for?

Not 30psi….I just put one in my tire and inflated to 28psi and 3 minutes later, KABOOM! Tube blew out, scared the $¢!T out of the cats!!!

What are tire levers used for?

They are little levers that are used for getting tires off a rim. A set of tire levers are one of the cheapest and most essential tools of cycling equipment and everyone should carry them. To use them, insert flat end between rim and rubber tire. Lift rubber tire up using leverage off rim and bring rubber tire edge off and away from rim edge. Drag lever along rim edge to bring tire off rim further. Careful not to pinch tube in this process. The opposite end of the lever is for locking it on to a spoke.

Has anyone used these for their Super73? If so, how’d it work out? :)

I bought these tubes for my brothers juiced scorpion which uses 20x4 tires and they worked fine. Hopefully that helps you out.

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20x4 Fat Tire Motorcycle Inner Tube with US Valve 20x4.0 Premium Butyl Rubber Inner Tube for 20" Electric Bicycles 2 Pack

Product ID: 768009582

Details

Brand
Senaro
Item Diameter
20 Inches
Material
Butyl Rubber
Valve Type
Schrader
Wheel Size
20 Inches

💪Premium butyl rubber durability

🚲20-inch perfect fit

⏱️35mm Schrader valve for quick inflation

Description

🚀 Ride Bold, Ride Ready: Fat Tire Tubes That Keep You Rolling!

BUILT TO LAST - Crafted from premium butyl rubber, offering superior puncture resistance and longevity over standard tubes.
VALUE PACKED DUO - Two high-quality inner tubes included, so you’re always ready for the unexpected on your next adventure.
QUICK EASY INFLATION - Equipped with a 35mm Schrader valve for hassle-free, fast pumping wherever you are.
RARE SIZE READY STOCK - Hard-to-find 20x4 tubes available now—don’t get caught without the right fit when it counts.
TAILORED FOR 20 FAT TIRES - Engineered to fit 20x4.0 fat tire and electric bikes flawlessly, ensuring a seamless ride.

This 2-pack of 20x4 inch fat tire inner tubes features durable premium butyl rubber construction and 35mm Schrader valves, designed specifically for 20" fat tire and electric bicycles. Perfect for riders seeking reliable, long-lasting tubes in a rare size, these tubes ensure quick inflation and a perfect fit for enhanced performance and peace of mind.

Specifications

ASIN	B09SGYTGLZ
Amazon Bestseller	#163,972 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #822 in Bike Tubes
Bike Type	Ebike
Brand Name	Senaro
Compatible Tire Width Maximum	101.6 Millimeters
Compatible Tire Width Minimum	4 Inches
Customer Reviews	4.5 4.5 out of 5 stars (1,703)
Item Diameter	20 Inches
Item Type Name	20 x 4 Bicycle Tube
Item Weight	0.79 Kilograms
Item Width	4 Inches
Manufacturer	Beauty Life Designs
Manufacturer Part Number	Beautylife-060
Material Type	Butyl Rubber
Model Number	20 inch
Size	2 Pack with Schrader Valve
UPC	750958778734
Valve Length	1.38 Inches
Valve Type	Schrader
Wheel Size	20 Inches

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