想問少少,計時車款and commom road bike have any differnce? also, can 當普通road bike禁踏可以嗎?
2.) 因我新buy的原因, so i don't know my bike may be 可能是計時款,因為前三角通位是加厚破風款的, 如何分辨?
3.) my bike brand is ( tank ), this brand quality可以嗎?but i don't know 是什麼形鋁合金?
4.) 鋁合金分什麼形式,6061,6061s, 7001 etc.
5.) 如何refit可令架車好去D?
sorry oop! thx