i just installed a planet bike wireless bike computer, the chart that it came with doesn't have the size of the tire thats on my downtube 9fs. the size is 20x1.5 on front somehow the rear tire is 20 x 1.75. i am mounting the computer sensor on the front wheel. i did some calculations and i had 1555 as the wss, is that right?
the bike sensor is kinda strange, on the manual it said to mount the sensor with the battery cover on the inside which i did and the sensor couldn't pick up any signal, i had to mount it on the opposite side with the battery cover outside and logo on the inside. i will get a picture later on, let you guys see if i did something wrong or not. i also just put on a headlight, tail light and bottle cage. everything looks great.