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CST 14 x 1.75 Inner Tube AV Schrader Valve

CST 14 x 1.75 Inner Tube AV Schrader Valve
Brand: CST
Categories: *All Bicycle  Tubes & Tyres 
Product Code: CST-14-1.75S
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Availability: In Stock
RM16.00
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CST 14 x 1.75 Inner Tube AV SchraderBikelah Online Shopping Penang Malaysia

Bikelah Online Shopping Penang Malaysia

Specification:

Size: 14 x 1.75,  ETRTO 47-254

Valve: Schrader

Weight: 105 grams

Bikelah Online Shopping Penang Malaysia

Note :  The rim valve hole diameter for Schrader is approximately 8mm and 6mm for Presta.  So you cannot fit a tube with Schrader valve in a wheel that was made for Presta valve.  Unless you want to widen the hole with a drill - some bike shops will do this for you

How to choose your inner tube?

The inner tube markings is supposed to fit the tyre.  So check the tyre markings

Bikelah Online Shopping Penang Malaysia

Its says 20 x 1.35, meaning the wheel diameter is 20" and the width of the tyre is 1.35 inches

Bikelah Online Shopping Penang Malaysia

And sometimes you can also see the ETRTO (ISO) marking.  In the above case, its 32-406.  Meaning the witdh of the tyre is 32 mm and the rim diameter of the wheel is 406 mm. In fact the diameter to be precise is measured between the bead seat (BSD)

Bikelah Online Shopping Penang Malaysia

Note:  Important to note that 406 and 451 are both marked as 20" but they are different and not interchangeable.  451 is slighly bigger in circumfrence.  Also 20 x 1 1/8 does not translate to 20 x 1.125 !

If you want to know more about innner tube sizing, visit

http://www.innertubeshop.com/pages/which-tube-fits-my-bike

Bikelah Online Shopping Penang Malaysia

http://www.csttires.com/

Last Updated: mag 2016-10-03

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