sayshell Posted October 8, 2011 Report Share Posted October 8, 2011 I always buy cheng shin 20" tubes, they are way more pop resistent than echos of the same weight, and equal in pop resistence to a heavy duty bmx tube. (I tried the dans street/trials tubes) I can't find cheng shin 20" tubes anywhere, does anyone know where I can buy them, or a equally good tube? For 19" the tubes that are big in uninflated diameter, and thin walled work a lot better than the ones that are low in uninflated diameter with the thick wall. I want to buy a box of about 30 so price is a factor too. I could buy cheng shins for like 2$ a piece in a huge box but biketrialstation doesnt return emails anymore. Quote Link to comment Share on other sites More sharing options...
Stan Shaw Posted October 8, 2011 Report Share Posted October 8, 2011 Not sure where you could the Cheng Shin ones now, but can I ask why you want 30 of them! You need more pressure in your tyres if they are all for you Quote Link to comment Share on other sites More sharing options...
sayshell Posted October 8, 2011 Author Report Share Posted October 8, 2011 basically I dont want to buy any inner tubes for the next 5 years. 6 a year sounds realistic. Quote Link to comment Share on other sites More sharing options...
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