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Thornproof 29 x 1.75-2.1 Tube

Normally $22.99 Our Price: $18.99
  • Buy 2 for $15.99 each and save 16%
  • Buy 4 for $13.99 each and save 27%

Out of Stock

29" Puncture Resistant Tube 

Six20 brand 29in.Thorn Resistant Tube .

Tioga Thornproof Double Density (DD) tubes have a very thick section just under the tyre, with a thinner section just over the rim.

This manages to keep weight down, whilst still offering the same puncture protection as a standard Thornproof Tube.


  • Size: 29 x 1.75 - 2.125"

Available in both Valve styles:  

  • American Valve 48mm
  • French Valve 48mm 

Bike Valve Types

  • The car syle valve is known as American Valve (AV) and is also referred to as Schrader Valve (SV).
  • The "pointy" high pressure valve is known as the French Valve (FV) and is also called a Presta Valve (PV).
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Upon receipt of payment your order will be packed and posted either the same day, or at latest the next working day.

Paypal and credit cards are processed almost immediately, while bank transfers can take 24-48 hours. 

In general we find that deliveries to Melbourne, Sydney, Adelaide, Brisbane metro and VIC regional are made within 1-3 working days. NSW, SA, TAS, ACT and NT take 2-5 working days. Regional QLD, WA and other remote areas will take 5-7 working days.

Please note these are only expected deliveries times and occasionally delays may occur.

We use Australia Post for all of our deliveries except for Bulky Items. For bulky items we use Direct Freight Couriers.



Our internal shipping charge calculator will tell you the cost of your postage prior to your checkout. In most cases buying more than 1 item will result in cost savings to you. 

  • Small items up to 500g cost  around $7 postage. Depending on the weight and size you will get 2 sometimes 3 small items posted for this amount.
  • Most larger items post for about $12 and you will generally be able to add 1-3 small items at no extra charge
  • Once you purchase products over 3 kg in weight there is generally, only a small amount of extra postage charged


You can add smaller items together with bulky items and there will generally be no or a small added postage cost.
Ordering items such as 2 bike cases may not result in any savings due to their volume. Ordering mid-size items like two fluid trainers together will result in very good savings though. You will get your quote for shipping costs before you checkout.

If you have any queries please email us at!

We now ship to New Zealand. For further details please visit our International page here.

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