2 Pack 21in Motorcycle Inner Tube 80 100-21 TR4 Straight Valve Heavy Duty For Sale

2 Pack 21in Motorcycle Inner Tube 80 100-21 TR4 Straight Valve Heavy Duty

Key Features:

• Precise Size Fitment – Designed for 2.75/3.00-21" tires, cross-compatible with 80/100-21 (300/325-21) sizing
• TR4 Straight Valve Stem – Standard valve type for easy inflation and compatibility with common air chucks
• Heavy-Duty Thick Rubber – Premium construction offers enhanced durability and puncture resistance
• 2-Pack Value Set – Provides a spare tube on hand, reducing downtime for future replacements
• Reliable Air Retention – Quality rubber material designed to maintain consistent tire pressure
• Motorcycle-Specific Design – Built to handle the demands of motorcycle riding conditions
• Easy Installation – Standard tube design compatible with typical motorcycle tire service procedures

2.75/3.00-21" Motorcycle Inner Tube – TR4 Valve, Heavy Duty Rubber, 2-Pack

Keep your motorcycle ready to ride with this heavy-duty replacement inner tube set, designed to fit 2.75/3.00-21" tires (cross-referenced as 80/100-21 or 300/325-21 sizing). Built from thick, premium rubber, these tubes are engineered to offer enhanced durability and reliable air retention for demanding riding conditions.

Each tube features a TR4 straight valve stem, a standard valve type that ensures easy inflation and broad compatibility with common air chucks and pressure gauges. This 2-pack set provides the convenience of having a spare tube ready to go, helping minimize downtime in the event of a puncture or replacement need.

Whether you're maintaining your primary tire or keeping a spare on hand for unexpected repairs, this heavy-duty inner tube offers a dependable solution for 21-inch motorcycle tire setups.

Why Choose This Inner Tube Set?
✔ Precise fit for 2.75/3.00-21" (80/100-21, 300/325-21) tires
✔ TR4 straight valve stem for easy inflation
✔ Heavy-duty, thick premium rubber construction
✔ 2-pack provides a convenient spare
✔ Reliable air retention and durability

Ideal For:
Motorcycles using 21-inch tires requiring replacement or spare inner tubes for maintenance, repairs, or off-road/on-road riding preparedness.

Installation Tip:
Ensure correct tube sizing matches your exact tire dimensions before installation, and use proper tire tools to avoid pinching the tube during installation.

Package Includes:
2 x Motorcycle Inner Tubes (2.75/3.00-21", TR4 Valve Stem)

• No brand name used — fully generic listing, zero VeRO risk
• ✅ Straightforward parts category — precise size/valve type listed clearly in title and description, which is critical for reducing fitment-related returns in tire/tube listings
• ✅ Consider adding compatible motorcycle types/models (dirt bike, dual-sport, etc.) in Item Specifics if known, without referencing specific manufacturer brand names, to help with search relevance while staying VeRO-safe

• We offer FREE shipping on all orders!
• We ship within Three business days of payment, usually sooner.

PLEASE NOTE:Where possible items are sent from our stock but we also sell via other supply channels.In this case, orders will be fulfilled by our fulfilment centres or 3rd party suppliers at our discretion. Therefore, onoccasionsour products may come with a third party logo on the packaging. By placing an order you are agreeing that your delivery information may be shared with our supplier tofulfil your order. It will not be shared in any other way, your details are 100% secure.If you are not happy with this then please do not buy.

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If you have any problem with your order, please contact us and we will do our best to make you satisfied.

usually, the parcel will be delivered in 5-7 days. Sometimes the order will be delayed more than 10 days due to some technical problems. If you have not received your order within 10 days, contact the seller. We will reply to the buyer within 24-48 hours.

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