Kenda TR-4 Tire Tube 3.25/3.50-21, Part Number KDA05214020

The Kenda TR-4 Tire Tube is a dependable replacement tube for powersports applications using 3.25-21 or 3.50-21 tires. Designed for fit, air retention, and reliable service, this tube helps restore proper tire performance when an original tube is worn, punctured, or no longer serviceable. The TR-4 valve configuration is suited to compatible motorcycle and powersports wheel assemblies.

Manufactured by Kenda, this tire tube is built for practical replacement use and consistent installation. Its fitment is determined by the tire size and valve configuration, so confirm that your wheel and tire combination matches the listed 3.25/3.50-21 application before installation. Proper mounting technique and inspection of the tire, rim, and rim strip are recommended to help support safe, dependable operation.

The Kenda TR-4 Tire Tube, Part Number KDA05214020, is supplied as one replacement tube. It is a powersports component and is not intended to replace a tube with a different valve style or tire-size range. Always inflate to the vehicle or tire manufacturer’s recommended pressure and inspect for leaks after installation. Vehicle-specific fitment data was not provided; verify compatibility using the tire size, wheel specification, and original equipment requirements.

Key Product Specifications & Technical Data

• Brand: Kenda
• Product Type: Powersports tire tube
• Tube Series: TR-4
• Compatible Tire Size: 3.25-21 / 3.50-21
• Valve Configuration: TR-4
• Part Number: KDA05214020
• Quantity: One tire tube
• Application: Replacement use for compatible motorcycle and powersports wheels

What’s Included

• One Kenda TR-4 tire tube

Features:

• Application-Specific Fit: Designed for compatible 3.25-21 and 3.50-21 powersports tires.
• TR-4 Valve Configuration: Uses a TR-4 valve style for matching wheel and tire assemblies.
• Reliable Replacement: Helps replace worn, punctured, or damaged inner tubes.
• Kenda Quality: Manufactured by Kenda for dependable powersports service.