The higher the TPI number, the thinner and more flexible the tire fabric is. Thin-wall (high TPI) tires tend to be lighter and have lower rolling resistance, but they're more easily damaged by road hazards.TPI數越高~~輪胎的編織層就越薄~~也越有彈性,胎壁比較薄的輪胎大多比較輕,而且滾動阻力比較低,但是也比較容易破
Byronlau wrote:請問哪一個管胎比較舒適的?...(恕刪) 任何一種品牌在胎壓不足的情況下騎起來都很舒適,你可以試試打 60 PSI 保證騎起來一定很舒適。用管胎的目的是在追求輕量化、滾動摩擦系數小,很少人會去追求管胎的舒適性。