The Tubes have a seamless construction, with a mold-cured vulcanization, to ensure uniform roundness.
Size: 28"/29" - 622x47-62mm.
Valve type: 42mm Presta Valve.
Contents: 2 Continental Inner Tubes.
New in Bulk Packaging

United State Dollars

Continental MTB 29x1.75-2.5" / 622x47-62c Inner Tubes - 42mm Presta Valve (Pack of 2 Bulk)

20% thicker tube helps prevent flats.
Bonus: two tire levers included to ease removal and installation.
Works with these bikes: Mountain.
Valve type & length: Presta; 32mm.
Fits tire sizes 29 x 1.9 to 2.3"

Blackburn 29" x 1.9-2.3" Presta Heavy Duty Bicycle Inner Tube with tire levers

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside..
Slime Tube Sealant seeks out and instantly seals punctures in your tubes up to 1/8" (3mm) using Fibro-Seal Technology.
Designed specifically to stop tube punctures from ruining your ride and keep you going.
Schrader Valve tube, that installs like any traditional inner tube and full instructions inside every pack.
Environmentally friendly. Non-toxic, non-corrosive and non-hazardous, Non-flammable, Water soluble

Slime Extra Stong Self-Sealing Tube 29" x 1.75-2.3" Schrader

High-Quality Rubber Material: Different from ordinary inner tubes, we use 60% high butyl rubber. The air tightness of this high-quality rubber is 8 times that of natural rubber, and it is not easy to break due to temperature changes. The conventional sidewall thickness is 0.8~0.95 millimeter, but our sidewall thickness is 1.1~1.2 millimeter, which is thicker than the sidewall on the market and is more puncture resistant.
Various Sizes: 29x1.75-2.3; F/V Presta Valve 48 millimeter; 29 means our bike tubes fit 29 wheel (pls kindly confirm that your bike tire is suitable before you buy), width between 1.75-2.3 inch tire.48 millimeter presta valve suitable for most mtb inner tubes.
Vulcanized Tubes: Each of our inner tubes have passed a strict 100% quality control inspection. And all tubes are round cured to ensure uniform roundness and better reliability. After explosion-proof and inflation tests, our quality control can give you 100% peace of mind.
Design: The exquisite carton contains two inner tubes for easy replacement and storage.
Please note: All inner tubes need to be put into the outer tire before inflating, so that the outer tire will protect the inner tire from exploding. If you have any questions, please do not hesitate to contact us. BWSHLF will provide you with the most satisfactory solution

BWSHLF 29" Mountain Bike Inner Tubes (2 Pack), Durable Butyl Rubber MTB Bicycle Replacement Fit 1.75

BWSHLF 29" Mountain Bike Inner Tubes (2 Pack), Durable Butyl Rubber MTB Bicycle Replacement Fit 1.75-2.3, Presta Valve 48mm

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside..
Slime Tube Sealant seeks out and instantly seals punctures in your tubes up to 1/8" (3mm) using Fibro-Seal Technology.
Designed specifically to stop tube punctures from ruining your ride and keep you going.
Presta Valve tube, that installs like any traditional inner tube and full instructions inside every pack.
Environmentally friendly. Non-toxic, non-corrosive and non-hazardous, Non-flammable, Water soluble

Slime Extra Stong Self-Sealing Tube 29" x 1.85-2.20" Presta

Universal Fit for 29" MTB/Road Bikes - TPU Mountain Bike Inner Tubes compatible with 29x1.9-2.5" tires and Presta valves (45mm French length), these TPU inner tubes seamlessly adapt to mountain bikes; It's the perfect choice for various biking needs; Note: Inflate less than 5psi before putting in the inner tube.
Ultra-Lightweight Design – 63g/Tube (70% Lighter) - At just 63g per tube (vs. 160g+ butyl rubber), our TPU bike tubes reduce rotational weight by 200g per pair; Enhance acceleration, climbing efficiency, and speed for competitive riders.
Military-Grade Durability & Puncture Resistance - Engineered with 0.3mm reinforced TPU walls, lab-tested to withstand 3x more pressure (up to 150 PSI) and 5x sharper impacts than standard tubes; Oil/water-resistant for all-weather reliability.
Low Rolling Resistance = Pro-Level Speed - Thinner profile (0.3mm vs. 0.8mm butyl) minimizes tire friction, proven to boost speed by 1.5-2.2% in lab tests; Perfect for racers and endurance cyclists seeking marginal gains.
Lifetime Support & Instant Replacement Guarantee - Includes 12-month warranty + 24/7 expert troubleshooting; Receive a free replacement within 48 hours for any defects – no returns required

2 Pack Ultralight TPU Mountain Bike Inner Tubes 29" | Compatible with 29'' x1.9-2.5 Tires | Presta V

2 Pack Ultralight TPU Mountain Bike Inner Tubes 29" | Compatible with 29'' x1.9-2.5 Tires | Presta Valve 45mm French | High-Pressure Durable Tubing for MTB Bikes (29 Inch Bicycle Tires)

Mold cured rubber for consistent side wall–prevents high pressure blow outs.
High quality, reliably tested inner tube.
Tube Weight - 260g.
Valve type & length: Presta; 40mm with cap.
Great for Road and Mountain bike tires

BELL Standard Tube 29-Inch Presta

High-Quality Rubber Material: Different from ordinary inner tubes, we use 60% high butyl rubber. The air tightness of this high-quality rubber is 8 times that of natural rubber, and it is not easy to break due to temperature changes. The conventional sidewall thickness is 0.8~0.95MM, but our sidewall thickness is 1.1~1.2MM, which is thicker than the sidewall on the market and is more puncture resistant.
Various Sizes:29x1.75-2.3; A/V Scharder Valve 35mm or F/V Presta Valve 48mm; 29 means our bike tubes fit 29” wheel (pls kindly confirm that your bike tire is suitable before you buy), width between 1.75-2.3 tire. Standard 35mm schrader valve and 48mm presta valve suitable for most mtb inner tubes.
Vulcanized Tubes: Each of our inner tubes have passed a strict 100% quality control inspection. And all tubes are round cured to ensure uniform roundness and better reliability. After explosion-proof and inflation tests, our quality control can give you 100% peace of mind.
Design: The exquisite carton contains four inner tubes for easy replacement and storage.
Please note: All inner tubes need to be put into the outer tire before inflating, so that the outer tire will protect the inner tire from exploding. BWSHLF is committed to becoming a good partner for all bicycle owners and enthusiasts

BWSHLF 29" Bike Tubes (4 Pack), MTB Bicycle Replacement Durable Butyl Rubber Fit 29x1.75/2.3, Presta

BWSHLF 29" Bike Tubes (4 Pack), MTB Bicycle Replacement Durable Butyl Rubber Fit 29x1.75/2.3, Presta Valve 35mm

PRESTA VALVES: Available With 48mm Presta Valve, Non-Removable Core..
AFFORDABLE QUALITY: WTB's butyl rubber inner tubes offer superior puncture resistance and air retention at a price you can afford..
PUNCTURE RESISTANT: Built to handle all types of road and trail conditions with thicker butyl rubber for added durability..
PATCHABLE: Compatible With Butyl Tube Patch Kits..
TRUSTWORTHY PERFORMANCE: Backed by WTB's trusted reputation for quality in cycling, these tubes are built to last..
FLEXIBLE FIT: Adapts Well Under High Pressure and Heavy Loads..
ECO-FRIENDLY PACKAGING: 100% recyclable packaging, so you can hit the trails with confidence, knowing you're minimizing your environmental footprint.

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