GICOOL 2.75/3.00-21 Inner Tubes, 2 Pack with TR4 Valve Stem – Dirt Bike & Pit Bike
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Description
xReliable 21-inch inner tubes for rugged riding
The GICOOL replacement inner tubes are offered as a practical two-pack, crafted for dirt bikes, pit bikes, and other off-road setups. Built to fit a universal 21” wheel range, they simplify maintenance and help you stay on track where it counts.
What makes these tubes stand out
- Universal fit for 21" rims: 2.75/3.00-21 (80/100-21), with compatibility for related sizes like 90/80-21, 90/90-21, and 100/80-21.
- Premium natural rubber with a thickened finish: designed to cushion impacts and extend service life on varied terrain.
- Excellent airtightness and a robust valve seat: helps maintain inflation with less frequent topping up and lowers the risk of tearing.
- Safe and comfortable to ride: reinforced thickness resists punctures and shields against sharp debris across weather and terrain.
- Easy installation: TR4 straight valve stems enable a quick, straightforward swap so you can get back on the road sooner.
Real-world uses and potential benefits
Whether you’re tackling rocky trails, sandy pits, or muddy paths, these tubes are designed to help maintain a steady ride feel and reliable inflation. The natural rubber construction supports longer life under demanding conditions, and a sturdier valve helps minimize mid-ride interruptions when you’re far from home.
Two-pack convenience means you’re prepared for a roadside swap or to stock your repair kit. The size range also supports multiple wheel setups on different bikes, adding versatility for weekend riders and daily commuters alike.
What you get and care tips
- Two inner tubes with TR4 straight valve stems for straightforward installation.
- Tips: inspect tires for wear, deflate before installation, and replace both tubes if you detect damage.
Note: The benefits described reflect the listed features and typical riding scenarios. Actual results may vary with tire condition, riding conditions, and maintenance habits.
FAQ
Q: What sizes do these inner tubes fit?
A: They fit 21-inch wheels in 2.75/3.00-21 and related sizes (90/80-21, 90/90-21, 100/80-21).
Q: Do the tubes include a TR4 valve stem?
A: Yes, each tube features a TR4 straight valve stem for reliable inflation.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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