- Designed for modern Harley-Davidson tire sizes for reliable, long-lasting air retention
- Seamless, natural rubber construction
- Heavy-duty valve stems
The TwinPower 300/325-21 TR6 Metal Center Valve Inner Tube is designed for modern Harley-Davidson tire sizes and popular American V-Twin and custom applications. Its 300/325-21 size supports use with compatible 21-inch tires, while the TR6 metal center valve provides a durable valve design for inflation and air retention.
Constructed from seamless natural rubber, this inner tube is designed for reliable, long-lasting air retention. A heavy-duty valve stem adds durability for powersports use. Verify tire size, valve configuration, and vehicle fitment before installation.
Manufacturer part number: 281101. Vendor part number: 281101. Brand: TwinPower. Fitment is for compatible 300/325-21 tire applications, including modern Harley-Davidson tire sizes and select American V-Twin and custom motorcycles.
Features:
- Size: 300/325-21
- Valve: TR6 metal center valve
- Construction: Seamless natural rubber
- Valve stem: Heavy-duty design
- Application: Compatible modern Harley-Davidson, American V-Twin, and custom tire sizes
- Brand: TwinPower
- Manufacturer part number: 281101
- Vendor part number: 281101
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1