1. ordinaire bias tire ye bias tire ordinaire structure ye ni inner tube ye. Bias Tire bɛ kɛ kɛrɛnkɛrɛnnenya la ni senna-taama, ply, tampon layer ani bead ye. PLY ka juruw ni bias pneu ordinaire ka buffer layer bɛ ɲɔgɔn cɛ ani u bɛ labɛn ni kɛrɛ ye min tɛ se degere 90 ma ka se senkɔni cɛmancɛ sira ma.
2. Taye radiyaliw ka plies bɛ labɛn ka kɛ degere 90 ye walima ka surunya degere 90 la ni sennasanbara cɛmancɛ sira ye, o bɛ bɛn ply tires meridian yɔrɔ ma, i n’a fɔ meridiyɛn min bɛ dugukolo kan, o la a bɛ fɔ a ma ko taye radial. K’a sababu kɛ plies labɛnni ye, plies radial plies hakɛ bɛ se ka dɔgɔya ni 40% ɲɔgɔn ye-50% ni bias pneu ordinaires. Tigɛ radiyali bɛ siri dɔrɔn lamini na lamini siratigɛ la, o la walasa ka se ka tangentiyali fanga belebele min bɛ sɔrɔ bolifɛn boli waati la, o muɲu ani ka pankurun gɛlɛyacogo ɲɛ, pankurun radiyali fana bɛ ni juruw layɛrɛ caman ye kɛrɛnkɛrɛnnenya la ni meridiyɛn yɔrɔ ye (angle bɛ o la o ye 70- 75 ye), o ye cɛsirilan ye min bɛ tali kɛ buffer belt la ni fanga ye min fanga ka bon ani a tɛ se ka wuli. A ka c’a la, cɛsirilan bɛ kɛ ni fini juru ye (i n’a fɔ gilasi fiyɛ, poliyamidi fiyɛ) walima nɛgɛbere min fanga ka bon ani min ka sɛgɛn ka dɔgɔn.