You will get the most accurate speed readings with a GPS Speedometer. It will not get affected by your gear ratio or tire size. Easy to install. Just connect it to the power. No need for wheel sensors no need for antennas. This unit works on all 12v... more
More information about Boats, Kayaks & Boating Equipment
Best prices on Vhf antenna, Cart in Boats, Kayaks & Boating Equipment online. Visit Bizrate to find the best deals on top brands. Read reviews on Sports Equipment & Outdoor Gear merchants and buy with confidence.