Recent content by jian-xi

  1. J

    Electronics engineering?

    my dad told me it can be applied to many industries is that true?
  2. J

    i need a bike for the summer?

    im assuming u ride on streets? going to ur local store sports store or bike shop we cant rly help u over the internet on this 1 o.0 but prices of 200-400 should be ok!
  3. J

    Why do road bikes cost more than mountain bikes?

    not necessarily, but most likely b/c of the expensive and super light parts....there is this mountain bike fork that costs 1000 plus USD, thats more than twice the whole price of my bike....= =
  4. J

    How often to inflate bike tires?

    pump them up when the bottom part looks flatter than the top and pump them up to the psi written on ur tires, usually there should be
  5. J

    why do knobby mountain bike tires have hair like rubber sticking out?

    other tires have them too but mainly mountain bike tires
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