Kinetic Trainers with InRide iPhone App


Admittedly, indoor trainers are not as cool as riding an all-mountain bike in a redwood forest singletrack. But with the impending arrival of winter, I dropped in to see the green machines at Kinetic. David Simpson immediately grabbed my attention with some cool stuff:

  • Kinetic InRide iPhone app talks to the trainer and knows your speed , mileage and power output. Then you can upload that to your Strava account
  • The Rock and Roll trainer allows you the freedom of movement to rock left to right when riding out of saddle.
  • The fluid resistance unit is completely sealed. There is no axle or seals to fail to connect to the wheels since that junction is performed by super-magnets!

Intrigued? Then read on.

Photo Thumbnails (click to enlarge)

As mentioned, the Kinetic InRide iPhone app seems to be well thought-out. A magnet is embedded on the trainer roller. Then the sensor pod communicates wirelessly via Bluetooth Smart┬« and┬átransmits ride data to the Kinetic InRide app running on a paired iPhone 4s, 5 or iPad 3. All the basic information displayed on a bike computer using a wheel speed sensor is shown. but the cool thing is that power data is also displayed. How? Because Kinetic precisely builds each of their fluid resistance units to exact specs, they can measure accurate and repeatable wattage with consistency from unit to unit. Kinetic has calibrated their fluid resistance unit using a strain-gauge based watt meter and developed a formula that gives accurate wattage measurements based on speed only. So, when a rider’s speed is measured, wattage can also be measured on a Kinetic fluid trainer. Rapid data sampling of the spinning roller allows cadence to be measured virtually by reading the torque pulses of a riders pedal stroke.

The other neat feature is all this data is stored in a standard file format so the rider can upload it to Strava or their favorite logging website. After all, if you rode two hours on the trainer and it’s not logged or shared in the social sphere, did it really happen?

Features Include

  • Kinetic InRide sensor and Heart Rate Monitor pairs with iPhone 4s using Bluetooth Smart protocols, eliminating need for additional dongles.
  • Kinetic InRide sensor transmits power, cadence, speed and distance
  • Power data includes: TSS, nPower, iFactor, mean maximal power* and time-in-power zones
  • 5 different data screens allow you to focus on wattage or heart rate
  • Personalized power and heart rate zone info based on rider lactate threshold or maximum heart rate.
  • Auto-calculated wattage and HR zones show current, average, and max heart rate and total time spent in each training zone during workout.
  • Calorie burn tracks energy expenditure when you configure user data including: age, weight, and height.
  • Auto coast-down calibration accurately sets wattage for varying tire pressure and trainer roller tension
  • Tracks lap splits
  • Ride History logs results from your entire workout history, organized by date in the history tab.
  • Upload workouts to popular training and workout-sharing web sites
  • Email data in .pwx, .tcx, .csv, .gpx, files for upload and analysis anywhere.
  • Audio announcements include: distance, time, pace, calories burned, heart rate zone and more at regular distance or time intervals for motivated workouts
  • Music-player control screen to access library
  • Kinetic InRide only compatible with Kinetic fluid resistance Trainers and is backwards compatible with all current models
  • Easy installation, just stick sensor to back of resistance unit as instructed, insert plug and magnet into hole in roller, install Kinetic InRide app, configure rider data and get rolling!
  • User can choose any iPhone case and bike mount system (not included with InRide).
  • Works with iPhone 4s and iPad 3 only (not iPad app)
  • MSRP $229

Then Dave showed us the Rock’n Roll trainer which is stable yet allows freedom of movement when climbing out of saddle. This is the natural motion of a rider and very few trainers if any allow this. It seems to us that the rider will develop better balance and will help build up the upper body if desired.

The trainer’s action is demonstrated nicely here.

About the author: Francis Cebedo

The founder of mtbr and roadbikereview, Francis Cebedo believes that every cyclist has a lot to teach and a lot to learn. "Our websites are communal hubs for sharing cycling experiences, trading adventure stories, and passing along product information and opinions." Francis' favorite bike is the last bike he rode, whether it's a dirt jumper, singlespeed, trail bike, lugged commuter or ultralight carbon road steed. Indeed, Francis loves cycling in all its forms and is happiest when infecting others with that same passion. Francis also believes that IPA will save America.

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  • PissedOffCil says:

    Scott, in theory if you have a cadence sensor you can compensate for coasting and I hope their software do so. As for burts, yes there will be a delay before you get the right power reading but it’s a similar delay as when using a 3 second moving avg. power reading (versus live reading).

    I’ve used a SportTracks plugin called Trainer Power which does the same as this app. However, since it’s computed after the training when you transfer the workout to SportTracks, I inverted the power curve to get speed zones corresponding to the power zones I wanted. It worked fairly well on my 1Up USA trainer and it would probably work better on my Kinetic which doesn’t suffer from heat accumulation (it has a steadier power curve).

    I wonder however why Kinetic didn’t go with an ANT+ protocol which allows the use of more computers…

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