CycleOps PowerTap SL+ Hub, 24 or 28 Hole System, with Joule 2 head unit.

Train with power, call your wheel builder today and tell them your lacing up some power!

Examine your ride in great detail with the Cycleops Joule 2.0 computer head unit, are you pushing out huge Wattage? are you riding hard or perceived as hard ? are you overtraining ? Upload valuable feedback data via the supplied U.S.B cable, review historic data from two, four, eight weeks, six months, and one year,

Check out these mind blowing features:
Power in watts and w/kg and current, average, and maximum. Power zone, average power zone, and max power zone. Peak power for 5sec, 5m, and 20m. WKO+ metrics: training stress score, normalized power, and intensity factor. Work measured in kilojoules, kilojoules per hour and calories. Cadence measures of current, average, and max. Heart rate measures of current, average, and max. Speed: current, average, and max. Climbing: current grade, current altitude, and total ascent. VAM: vertical ascent, current altitude, total ascent. Ride: time, distance, time of day. There are four modes or windows that can be accessed on the Joule 2.0: Menu, Dashboard mode reports mode, and activities mode,  and ask yourself are you getting better?