I admit that 90% of the time I am pedaling my road bike. I love pedaling my little steel road bike to work every morning. It is a great way to wake up.

However, when I take my custom Klein electric mountain bike to work it is just way too much fun. It has a relatively modest electric assist (300 watts) so I still do lots of pedaling. The motor power is similar to my leg power, so I get twice the power (and twice the fun). This bike has the speed and power of a good tandem ride, and adds about 5mph to my pedal only speed.

Biking to work at 23mph is kinda fun (8.6 miles in 27 minutes including stopping at intersections). FYI, the conversion kit cost me about $500 delivered.