Strong Compatibility: Our inner tubes with metal valve stem, fit 2.75/3.00‑21 (front wheel) in addition to 90/80 ‑ 21, 90/90 ‑ 21, 100/80 ‑ 21.
Universal Fit: Heavy duty inner tubes are suitable for lots of motorcycles, such as off road motorcycles, dirt bikes, pit bikes, trail bikes.
Shock Absorption: Thick rubber absorbs shock, you will not feel bumps and dents, protecting you from external forces, very comfortable.
Explosion Proof: When the internal tube is punctured, it immediately creates an airtight seal to stop injury to the rider, making it protected in any season or weather condition.
Good Replacement: Motorcycle inner tubes are easy to put in and heavy duty designed to suit such a lot terrains and are a very durable replacement tube.


NDNCZDHC 1 Pair 2.75/3.00‑21 Tire Inner Tubes with TR4 Metal Valve Stem for Off Road Pit Dirt Bikes
Amazon.com Price: $34.79 (as of 15/03/2025 00:03 PST- Details)
Strong Compatibility: Our inner tubes with metal valve stem, fit 2.75/3.00‑21 (front wheel) as well as 90/80 ‑ 21, 90/90 ‑ 21, 100/80 ‑ 21.
Universal Fit: Heavy duty inner tubes are suitable for many motorcycles, such as off road motorcycles, dirt bikes, pit bikes, trail bikes.
Shock Absorption: Thick rubber absorbs shock, you won’t feel bumps and dents, protecting you from external forces, very comfortable.
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