The Polar CS400 Cycle Computers have all the features to help you achieve your cycling goals.

For demanding cyclists

The Polar CS400 is the must-have choice in cycle computers for competitive cyclists. You can track your ride with wireless sensors, prepare detailed training programs with ease, and use the incline measurement to adjust your cycling effort during your ride. With these cycle computers you can correct your calorie consumption ahead of time with cycling economy.

With Polar CS400 cycle computers you can better understand your cycling limits, which helps you improve your training.Imagine being able to ride an hill and and have your Polar CS400 adjust your effort based upon biometric feedback. Cool, huh? With these cycle computers you can even select and monitor your training intensity with your own personal training zones for heart rate.

The whole package even comes with Polar's ProTrainer 5 software so you can analyze, plan and monitor your training.

Cycling features:
* Automatic display scroll
* Autostart/stop
* Bike mount
* Calorie consumption rate/hour
* Calorie consumption rate/km
* Cadence sensor - opt. wireless
* Cycling Limits - opt. with Cadence
* Distance
* Distance based interval
* Distance based recovery measurement
* Estimated Time of Arrival
* Graphical comparison of two values
* Incline Measurement
* Multifunctional handle bar/stem installation
* Odometer (1/2 and total)
* Speed (current, average and max)
* Wireless Speed sensor
* Speed sensor installation for different fork shapes
* Temperature and altitude
* Trip
* Wheel size settings for two bicycles

Here are some of the most used features:
* User configurable displays
* Automatic/Manual target zone (% / bpm / HRR%)
* Graphical target zone indicator
* BacklightDisplay zoom
* Easy start (setting wizard)
* Heart rate (displayed as % of maximum heart rate)
* KeyLock
* Heart rate (displayed as bpm)
* Heart rate (displayed as graphical trend)
* Over-sized display
* Visual and audible alarm in target zones
* Water resistant - splash proof
* Computer connectivity:
* Compatible with Polar ProTrainer 5™ software
* Transfer exercise data from wrist unit to polarpersonaltrainer.com via Polar WebLink (SonicLink/Infrared)

Language features:
* Display text in English, German, French, Spanish and Italian

Data transfer:
* Polar IrDA USB Adapter or internal/external non-Polar IrDA adapter - opt.

Polar exercise features:
* Altitude, ascent and descent
* Automatic lap recording
* Average heart rate of total exercise
* Cadence-based target zones with visual and audible alarm
* Polar OwnCal®
* Exercise Date
* Exercise Set (extended exercise profiles)
* HR-based target zones with audible alarm - 3
* HR-based target zones with visual alarm - 3
* HRmax (Polar Fitness test-based)
* HRmax (age-based)Interval timers
* Maximum heart rate of each lap
* Average heart rate of each lap
* Maximum heart rate of total exercise
* Minimum heart rate of total exercise
* Number of laps - 99
* Polar Fitness Test™ with OwnIndex®
* Polar OwnCode® (5kHz)
* Polar OwnZone®
* Polar sport zones
* Wireless ECG accurate heart rate
* ZoneLock
* ZonePointer

This watches features:
* Alarm with snooze
* Date and weekday indicator
* StopWatch
* Dual time zone
* Exercise reminder (visual/alarm)
* Low battery indicator
* Reminders (visual/alarm)
* Time of day with alarm
* User replaceable battery

Recording features:
* Average heart rate
* Calorie expenditure - exe.week.total
* Distance (total)
* Polar T31 coded™ transmitter - compatible Polar WearLink® 31 coded transmitter (changeable battery) - compatible
* Target zone limits
* Exercise Time (total)
* Exercise file info page with date and time
* Last OwnIndex
* Maximum heart rate
* Number of exercise files (with summaries) - 99
* Recording rate - 1 sec,5 sec,15 sec,60 sec
* Time in target zone
* Weekly history
* Transmitter belt:
* Polar WearLink® coded transmitter (changeable battery)

OUR OPINION: Polar CS400 cycle computers are loaded with features. The Polar CS400 has all the data and expandability that serious cyclists desire. These cycle computers deliver on meaningful data in a big way.