Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)
Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)
Hero image 0 of Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide), 0 of 7

Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)

3.4 stars out of 35 reviews
(3.4)|
35 ratings

Key item features

  • Durable Construction: These 26-inch heavy-duty bicycle inner tubes are made from high-quality, 40% thicker butyl rubber, offering 200% better air tightness than ordinary tubes.
  • Enhanced Performance: Designed for wide use, they fit outer tires greater than 1.75 inches wide and are suitable for mountain bikes, road bikes, cruisers, and e-bikes.
  • Superior Shock Absorption: The heavy-duty butyl rubber material provides excellent shock absorption, reducing vibrations and easing impacts from rough surfaces for a more comfortable ride.
  • Extended Air Retention: After inflation, these inner tubes maintain high air pressure for 6-9 months, significantly reducing the frequency of inflation and improving riding safety.
  • Increased Wear Resistance: Featuring higher puncture resistance and a thicker carcass, these tubes withstand more friction and wear, extending their service life and lowering maintenance costs.
  • Convenient 2-Pack: The product includes two replacement inner tubes, allowing for simultaneous replacement of both front and rear tires.
  • Simple Installation: The inner tubes are easy to install and remove, with pre-installation checks recommended to ensure proper function and direction.
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Current price is $15.99
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Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)
Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)
current price $15.99
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Comparison Chart:
Bicycle tire size26inchSemfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)26"Goodyear 26" x 1.9"-2.3" Heavy Duty Bike Tube, Schrader Valve24" x 1.75/1.95"24" Inner Tubes Width Fit 1.75/1.95 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike26 inLotFancy 2Pcs 26 x 2.125/2.35/2.40 Bike Inner Tubes for Mountain Bike, 32mm Schrader Valve, 2 Tire Levers700 x 28C/30C/32CLotFancy 2Pcs 700x 28C/30C/32C Mountain Bike Tubes with 2 Tire Levers, 42mm Presta Valve24" x 1.5"24" Inner Tubes Width Fit 1.5 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike26" x 2.125"Unique Bargains 2pcs 26 inch Bike Inner Tube 26" x 2.125" Replacement Bicycle Inner Tires US Type Valve700x35c/43cLotFancy 2Pcs 28 in 700x35/37/38/40/42/43c Bike Inner Tubes, 48mm Schrader Valve26"x1.75-2.1252 pack 26"x1.75/2.125 Bicycle Tube Chrader Valve with 2 Tire Levers, Inner Tube for Road/MTB Bike (2 of One Size)
Valve typeSchrader ValvesSemfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)Schrader ValvesGoodyear 26" x 1.9"-2.3" Heavy Duty Bike Tube, Schrader ValveSchrader Valves24" Inner Tubes Width Fit 1.75/1.95 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt BikeSchraderLotFancy 2Pcs 26 x 2.125/2.35/2.40 Bike Inner Tubes for Mountain Bike, 32mm Schrader Valve, 2 Tire LeversPresta ValveLotFancy 2Pcs 700x 28C/30C/32C Mountain Bike Tubes with 2 Tire Levers, 42mm Presta ValveSchrader Valves24" Inner Tubes Width Fit 1.5 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt BikeSchrader ValvesUnique Bargains 2pcs 26 inch Bike Inner Tube 26" x 2.125" Replacement Bicycle Inner Tires US Type ValveSchrader ValvesLotFancy 2Pcs 28 in 700x35/37/38/40/42/43c Bike Inner Tubes, 48mm Schrader ValveSchrader Valves2 pack 26"x1.75/2.125 Bicycle Tube Chrader Valve with 2 Tire Levers, Inner Tube for Road/MTB Bike (2 of One Size)
Wheel size26"Semfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)-Goodyear 26" x 1.9"-2.3" Heavy Duty Bike Tube, Schrader Valve24"24" Inner Tubes Width Fit 1.75/1.95 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike-LotFancy 2Pcs 26 x 2.125/2.35/2.40 Bike Inner Tubes for Mountain Bike, 32mm Schrader Valve, 2 Tire Levers28"LotFancy 2Pcs 700x 28C/30C/32C Mountain Bike Tubes with 2 Tire Levers, 42mm Presta Valve24"24" Inner Tubes Width Fit 1.5 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike-Unique Bargains 2pcs 26 inch Bike Inner Tube 26" x 2.125" Replacement Bicycle Inner Tires US Type Valve28"LotFancy 2Pcs 28 in 700x35/37/38/40/42/43c Bike Inner Tubes, 48mm Schrader Valve26"2 pack 26"x1.75/2.125 Bicycle Tube Chrader Valve with 2 Tire Levers, Inner Tube for Road/MTB Bike (2 of One Size)
Tire width1.75 inSemfri 2PCS 26inch Heavy-Duty Bicycle Inner Tubes 26x1.75/2.125, 32mm AV Valve, Wear-Resistant for Mountain/Road Bikes (Fits Outer Tires >1.75 Wide)1.92 inGoodyear 26" x 1.9"-2.3" Heavy Duty Bike Tube, Schrader Valve1.75 in24" Inner Tubes Width Fit 1.75/1.95 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike-LotFancy 2Pcs 26 x 2.125/2.35/2.40 Bike Inner Tubes for Mountain Bike, 32mm Schrader Valve, 2 Tire Levers-LotFancy 2Pcs 700x 28C/30C/32C Mountain Bike Tubes with 2 Tire Levers, 42mm Presta Valve1.5 in24" Inner Tubes Width Fit 1.5 Rubber Bicycle Tube with 32mm Standard Valve for MTB Mountain Dirt Bike2.12 inUnique Bargains 2pcs 26 inch Bike Inner Tube 26" x 2.125" Replacement Bicycle Inner Tires US Type Valve-LotFancy 2Pcs 28 in 700x35/37/38/40/42/43c Bike Inner Tubes, 48mm Schrader Valve2.12 in2 pack 26"x1.75/2.125 Bicycle Tube Chrader Valve with 2 Tire Levers, Inner Tube for Road/MTB Bike (2 of One Size)
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3.4 out of 5 stars
stars35 ratings18 reviews
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Showing 1-3 of 18 reviews

Sep 15, 2025
Rainman
Item details
Bicycle tire size: 26inch
Sold bySEMFRIDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Super tube

the tube was really heavy duty and the valve stems were sealed to the inner tube . I've never seen them like this so well made. How do you expect make money if you don't make garbage like everyone else. Make more junk!! OR NOT!! Really the best tube I've ever seen. Thanks so much.

Incentivized Review
Helpful?2TXC5O3A5XO314816161914
Nov 25, 2025
John
Item details
Bicycle tire size: 26inch
Sold bySEMFRIDelivered byWalmart
5 out of 5 stars review

Verified Purchase

I think they're gray tubes are reliable for a lot of pressure on them I've had no problem with very easy to get on was delivered very quickly it was awesome

Incentivized Review
Helpful?2TXC5O3A5XO314816161914
Sep 17, 2025
Jarred
Item details
Bicycle tire size: 27.5inch
Sold bySEMFRIDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Im glad that I found this after look at other options. This exact size is hard to find.

Incentivized Review
Helpful?2TXC5O3A5XO314816161914