Listing says "standard" and "heavy duty". Which is it?????

I wondered the same, it seems to be thicker than a standard tube by a fair amount. It is a good quality tube, especially for the price.

Will this fit a mh90-21 Avon cobra chrome tire ?

Yes it will it will fit any 21inch. I have the Dunlop harley tire and it fits fine.

Where do you put the two nuts?

One nut goes at the base of the valve stem inside the wheel, the other nut should NEVER be used against the rim on the outside. It should be up against the valve stem cap.

Will this tube work for 90 / 90 - 21 ?

Yes, 2.75 / 3.00 / 21 is the same as 90/90-21

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🛞 Ride Tough, Ride Confident: The Tube That Means Business

ABRASION RESISTANT ARMOR - Designed to resist wear and tear, perfect for rugged trails and urban commutes alike.
BUILT TO LAST TWICE OVER - Experience 2-3x thicker tube walls that outlast standard options, keeping you rolling longer.
IMPACT ABSORPTION MASTERY - Absorbs shocks and bumps effortlessly, protecting your ride and enhancing comfort.
PERFECT FIT FOR 21 INCH RIMS - Optimized sizing ensures seamless installation and peak performance on your bike.
VALVE STRENGTH YOU CAN TRUST - Engineered with reinforced valve stems for reliable, leak-free performance every ride.

The IRC Heavy Duty Tube (2.75/3.00-21, TR-4 Stem) is engineered with 2-3 times thicker walls than standard tubes, delivering exceptional durability and abrasion resistance. Featuring reinforced valve and joint strength, it offers superior impact absorption for a smoother, more reliable ride. Weighing 550g and designed for 21-inch rims, this tube is the ultimate upgrade for cyclists demanding toughness and longevity.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Manufacturer	IRC
Brand	IRC
Model	Heavy Duty Tube - 2.75/3.00-21 - Tr-4 St
Item model number	T20076
Manufacturer part number	T20076
OEM Part Number	T20076
Rim Diameter	21 Inches
Item Weight	550 g

IRC Heavy Duty Tube - 2.75/3.00-21 - TR-4 Stem T20076

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