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Key Features

  • Custom Backlit Display
  • Built in Coach Link
  • Programmable Workouts
  • Easy Data Transfer via App
  • GPS Speed
  • Wireless Accessories (Impeller, Heartrate etc.)
  • Check Factor

Active Tools have been manufacturing innovative equipment for rowers and coaches since 2002, and advanced rowing electronics since 2007. The ActiveSpeed is a new addition to our range and we worked with numerous people to develop the best possible tool to help you go faster.

The ActiveSpeed gives you all the information you need and allows you to share it live with your coach. It monitors, records, and shares speed (from GPS or wireless impeller), average speed, stroke rate (from the internal accelerometer), stroke count, Check, distance, time and heart rate. You can also program workouts on the unit and download data wirelessly using our DataFlow app.


Custom Backlit Display

To maximise its size we tooled our own display on which you can view two, four or six data fields and quickly configure, and save, screens to suit different activities. You can create up to six screen layouts under each of the headings ‘Training’, ‘Racing’ and Power’.

Each field can be set to show any parameter, or be left blank, and they can all be reversed to highlight key metrics.

Programmable Workouts

Both simple and complex workouts can be set up and stored on your ActiveSpeed, and the key features are:

• You can programme both work and rest periods in strokes, distance, or time
and you have the option of carrying on recording heart rate during rest periods.

• Workouts can have delayed timing starts both on initial start-up and at the end of rest periods.

• You can set ‘undefined length’ rest periods in workouts to accommodate factors such as river traffic, having to turn, etc.

• Standing start pieces begin when the ActiveSpeed senses the first boat movement. The display then flashes when it sees you ‘wind down’ at the end of a
piece, or the end of a race, and if you press the main button within 20 seconds the timer jumps back to the time it saw you wind down.

• You can set up to twenty five custom workouts and six of these can be stored in a smaller Favourite’s menu for easy access.

• You can also specify a target range within workouts for either heart rate, speed or stroke rate and the unit will highlight when you are outside the set range.

Built in Coach Link

When the supplied antennas are fitted data being monitored by a rower’s ActiveSpeed can be displayed on a coach’s unit. It is also possible to link to an additional five ActiveSpeeds, which the coach can then view
the data from by pressing a single button.

The transmission range is at least 200 metres, but is generally significantly more.

In the future it will be possible to link multiple ActiveSpeeds to a
tablet, using an Active Tools router/data storage unit, so that data from more than one unit can be viewed simultaneously. This will include output from our RapidFit Coaching and Data Oarlocks.

Easy Data Transfer via App

Our DataFlow app is available for both iOS and Android and allows easy data transfer to RoweRS, Rowsandall, Training Peaks, Strava, Golden Cheetah, etc. This includes both performance data and the tracks of the courses
you steered.

You can then review and analyse both your on-water workouts and any land-based ones you have transferred to these sites.

The app also lets you update the firmware on your ActiveSpeed and in the future it will let you see, and analyse, data and force curves from our RapidFit Coaching and Data oarlocks.

Optional Accessories

All the accessories that work with the ActiveSpeed are wireless.

• Heart Rate Strap, the ActiveSpeed works with most standard Bluetooth heart rate straps.

• Impeller, our Impeller design was optimised using Computational Fluid Dynamics
and its drag matches the alternatives that are available while being more robust. However, all Impellers create significant drag so we
recommend that they are only used for training and are removed for racing.

• Heel Switch, this is an optional accessory that connects between the heel restraint tie points on your shoes and allows rolling start pieces to be timed by simply moving your heels apart. (Patent Nos. US7452252B2 and GB2427591B)

• RapidFit Coaching and Data Oarlocks, when they become available in 2020 it will be possible to pair these to the ActiveSpeed. They can be moved between boats in under a minute and heights can be quickly adjusted using standard clips. Pitches can also be set in the usual way. (Patent Pending)

Check Factor Explained

While some variation in boat speed during the stroke is unavoidable it has been shown that minimising this check results in faster race times. So that you can monitor this, the CoxOrb unit displays a Check Factor which is averaged over two strokes and is calculated from the average boat deceleration during each stroke. This is then adjusted for rate as Check inevitably goes up as the rate increases.

Check values do vary with crew weight and boat type, but as a general guide we see figures of around 35 to 40 for the best crews at race pace increasing to 60 or 70 for less experienced rowers.

Rather than monitoring Check continuously we suggest tracking it over time and using it to assess improvements made due to changes in technique - you will find that reducing Check in a given crew leads to substantially improved boat speeds.


Width - 96mm
Height - 72mm
Depth - 25mm (65mm with antenna)
Weight - 172g

Instruction Videos

Continuous Improvement

We are always looking to make improvements so welcome any further suggestions!

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