Bike Inner-tubes and Tires

B'TWIN
₹199
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29x1.7/2.2mm Presta Valve Inner Tube 48mm

Reference: 8311104
4.25/5
(8)
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This inner tube is suitable for 29" diameter tyres of 1.70 to 2.20 section with a 48mm Presta valve.
Presta inner tube for 29" tyres and wheels, and 1.7 to 2.2 wide

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₹199
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PRODUCT BENEFITS

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Compatibility

29-inch tyres and wheels, with a cross-section ranging from 1.70 to 2.20

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Waterproof

High-quality valve that retains air pressure well.

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PRODUCT REVIEW

4.25/5

8 Reviews
7 of 7 people recommends this product
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6
0
1
0
1
Ok
Used for 3 to 6 months

Luckily not had to use yes so can’t comment

Let down
Used for 1 week or less

Bought 2 of these. One to replace a used inner tube and one as backup to carry with me. Now onto my second one as the first one lasted about 15miles. Whilst riding the tube simply failed going totally flat within seconds. Upon inspection the tube has simply failed splitting around the valve and cannot be fixed. Fingers crossed this is a one off but now I'm conscience of a potential problem. Won't buy this product again.

Simple but effective
Used for 2 to 8 weeks

Ideal for MTB and reasonably priced

PRODUCT DETAILS

Gender
NO GENDER
Sport Practices
URBAN CYCLING
HYBRID BIKES
MOUNTAIN BIKES
WHEEL SIZE
  • 29"
VALVE TYPE
  • Presta - Small valve
TYRE ASSEMBLY
  • Inner tube
PUNCTURE-PROOF
  • NO
ETRTO
  • 44-622
  • 47-622
  • 50-622
  • 54-622
  • 57-622
AUTO-REPAIR
  • Standard
Warranty
2 Years
How to choose your inner tube
Check the information indicated on the sidewall of the tyre (diameter and width). For example, 27.5 x 1.90 means a tyre with a 27.5-inch diameter that is 1.90 inches wide. On the tyre sidewall you will also find the dimensions in mm in ETRTO international units. For example, 50-584 means your tyre is 50mm wide with an inner diameter of 584mm (approx. 26x1.90).
Removing an inner tube
Remove the used inner tube using B'Twin tyre levers (item code 8047839).
Checks to make before installing your inner tube
Check the condition of your tyre and replace it if necessary. Make sure no objects are lodged in the tyre. Check the condition of your tyre rim strip. A rim strip that is even slightly bent can cause punctures. Check that your rim does not have any other issues that could damage your inner tube
Mounting the inner tube
Pre-inflate the inner tube slightly to avoid pinching. Insert the valve, making sure you are using the correct valve for your rim. Put the inner tube entirely inside the tyre so that it fits inside the rim. Take care not to pinch the inner tube when fitting.
Mounting the tyre
Start by mounting the tyre onto the wheel on the opposite side to the valve. Finish mounting the tyre at the valve to avoid pinching the inner tube. Never mount your tyre with a screwdriver or a tyre lever, as you risk pinching and puncturing the inner tube.
Inflating the tyre
Inflate your tyre carefully, to the pressure recommended by the manufacturer (visible on the tyre sidewall in PSI or bars, 1 bar = 14.51 PSI). Regularly check that your tyre is in the correct position as you inflate it.
Tip from the pros
To avoid punctures from pinching and for best tyre performance, we recommend that you check your tyres and inflate them to the suggested pressure before every ride.
Weight:
250 g
Storage advice
Carry your inner tubes in a container to protect them from punctures (tool drum, original packaging, or bag).
Tested by
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
Composition
Membrane : 90.0% Rubber - Isobutylene Isoprene Rubber (IIR) - Butyl, Membrane : 10.0% Brass
Country of origin
China
MRP
₹299

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