請問有用過Vittoria乳膠內胎的大大，這條內胎的氣嘴去掉可移動氣嘴芯后有多長呢？？ 小弟正在煩惱延長氣嘴的問題，我是用框高53mm的clincher板輪，請問如果用這條內胎的話，延長氣嘴最少要買多長的呢？？
謝謝~
scottliu9731 wrote:
我的SCHWALBE...(恕刪)
以下資料擷取自Vittoria官網 FAQ
http://www.vittoria.com/tech/faq/
Latex(乳膠) is a more flexible material than butyl: it extends 7 times more than its original lenght, butyl(丁基膠,也就是一般內胎材質) only 1,5. This means more flexibility that guarantees more speed and confort, as explained for the casing, and more puncture protection: the latex layer deforms itself around the external body that penatrates instead of pierce.
乳膠的彈性遠高於丁基膠;乳膠的延展性可拉到原本長度的七倍,丁基膠只有1.5倍.這種高彈性也保證了更快的速度及,更好的舒適性以及穿刺保護.乳膠層遇到穿刺物時會自我變形圍繞在外物週邊,而不是被穿破. (靠!見鬼!那我的上一條維多利亞是壓到地雷才爆的嘍!!
)The only disadvantage for latex inner tubes lies in poor air retention: latex is more porous and the air leaks. Higher is the pression, faster the air leaks.
For this reason a tire with a latex tube must be adjusted for inflation pressure before every ride.
乳膠內胎的唯一缺點就是不良的氣密性.乳膠具有多孔性易漏氣.壓力越高,空氣反而洩的越快.因此乳膠胎必須每次騎乘前都進行檢查.
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