So I am new to cycling and I really love it. I live in the pacific northwest and want to train during the winter and I am specifically want rollers. I have a single speed Bianchi and I just need to know if I need rollers with resistance or not? I am looking at a Weyless or Nashbar- any recommendations? Like I said I'm new to this and I really don't want to buy $300 rollers to ride my $100 bike on. Thanks