Ironic you should post this, as I just saw this posted on another site:
http://sfbay.craigslist.org/sfc/bik/251451681.html
1. Why would you need a GPS for a trainer?
2. I used spare wood that was laying around my basement for blocks, no real need to buy that.
3. Bike computer will help to make sure you're sticking at a certain pace.
4. You don't have an HRM?
does the block just keep the front wheel in place, or is it used to change the height of the front wheel, or both?
Ironic you should post this, as I just saw this posted on another site:
http://sfbay.craigslist.org/sfc/bik/251451681.html