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Using the app

It is important to avoid injury when cycling and having the correct setup is one of the key steps in achieving this. Good advice on the correct set up can be obtained from your local bike shop or one of the specialist bike fit companies. Use this app to record your preferred setup and note the effects of small tweaks and adjustments to your settings.

Remember you will cycle differently when warmed up compared to when you first get on cold. Indeed when you are cycling really hard your geometry may also change. So do please warm up properly before you capture your first images. If you are interested try repeating the process at different cycling intensities, the subsequent analysis may give some clues to how to set up for different races.

IMPORTANT: if you experience pain or discomfort when cycling seek expert advice.

Preparing for video recording

The app requires the rider to be videoed cycling on a turbo trainer. Make sure the bike is securely located on the trainer and safe to use. It is also important that your bike is in a level position on the turbo trainer (wheel top/hub to wheel top/hub if you have a sloping top tube). The inclinometer in the phone can be used to check this.

Please use the same camera position each time you capture images for analysis. The suggested position is 1m above ground level and approximately 2m perpendicular to the bottom bracket.

The phone needs to be in a secure and flat location during video recording. Specific tripod mounts for iPhones can be purchased to help achieve this.

The optimum conditions for video capture are to position the bike in front of a plain background in a well lit room.

Add a bike

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The app allows you to save data and images associated with multiple bikes.

Add a new bike by tapping the ‘+’ icon in the top right of the opening screen.

If you have more than one bike and want to change the order they appear on the screen then just press ‘edit’ and drag the bikes to the order you require. Deleting a bike can also be done using this edit function.
Please remember that if you delete a bike you also permanently delete all of the videos, photos and angle analysis associated with it.

Press on your chosen bike and you move on to the fitting…

Add a fitting

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The fittings on this screen are all associated with only one bike. However one bike can have several fittings associated with it all done at different times.

By recording different fittings you can see the impact of any changes you choose to make to your setup e.g. improved comfort, better power output. You can also add free text notes that are associated with the fitting.
By keeping a record of your preferred set up the app will help you return to that position if you don’t like the changes you have made.

Pressing the ‘edit’ button allows you to add details about your bike that you will then see on the main screen. This includes: naming your bike, changing the icon associated with the bike or adding free text comments. You can even take a photo of your bike or select a photo from the camera roll to use instead of an icon.

Unwanted bike fits can also be deleted using the ‘edit’ function, but again do remember that any videos, photos and angle analysis associated with it will be permanently deleted.

Add a video

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Press on the fitting you are interested in and you are taken to the next screen. Capture a new video by tapping on the ‘+’ button at the top of the screen, or if the fitting has been worked on before add more video or select a previous video for further analysis.

Recording can be done single handed using the self timer function, or ask a friend to help.

Use the spirit level to ensure the iPhone is level, then start the recording by pressing the red button. If you are doing this alone press the self timer button to give yourself a chance to get on the bike and start riding before the recording begins.

The app will flash the LED by the camera and you will hear a bell ring when the recording starts, the bell will also ring to let you know the recording is over. The app will automatically record for 30 seconds, but can be stopped sooner using the red button.

Once the recording is over the app needs to process the image. You will see a bar at the top of the screen indicating progress with this function. Once complete the total number of frames captured in the video will be displayed.

Pressing 'Edit' from this screen allows you to name the fitting, add bike dimensions (e.g. seat height, crank length), select between using a photo or an icon in the list, or simply add free text.

N.B. The list of bike dimensions is customisable and that function is accessed via the general settings button at the bottom of the main screen.

Selecting an image to analyse

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Once the video has been processed the whole clip can be reviewed so the necessary image can be selected. Viewing different frames can be done in a number of ways.

Using the play/stop functions at the bottom of the screen
Using the slider function at the top of the screen
Using the single frame forward/back buttons at the top of the screen
Flick the image left or right to move one frame at a time
Once you have the frame you want to analyse press the save button.

You may want to save the video you have taken on your phones camera roll or share it with a friend or your coach. To do this simply press the share button at the bottom of the screen and make your selection.

Analysis of angles

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Once you have chosen an image from a video you will then want to measure and record the angles associated with that set up. Press on the image you are interested in from the list and you are taken to the angle measurement tool.

Simply zoom in to the area of the photo you are interested in and drag the measuring tool into view. Position the lines to pass through or intersect the anatomical points you are interested in measuring.
To ensure you can position the lines accurately the tool allows you to move it by placing your finger ‘near’ the circles on the tool lines. This means you finger does not obscure the image and you can be sure the lines go in exactly the places you want.
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To measure different angles simply press the icon in the bottom right hand corner and a list of different angles are revealed. Tap the angle you want to measure and you are taken back to the main image.

If you don't see the angle you want listed simply add a new custom angle using the settings menu.

You can share the image with the measured angle superimposed via social media, Dropbox or email. If you want to send the whole file (for example to share with your coach) this can also be done using the share function.

Favourites

If you have an image that you particularly like or a video you want to be able to easily show to friends, simply use the favourites button (heart symbol) at the bottom of the video and image screens.

Sharing photo files

There are four simple ways of sharing a photo using TheBikeFit app:

Email, Facebook & Twitter: Simply press the share 'ICON' button on the angle analysis screen, then select your chosen option from the list shown. Add a destination address and any text you want. Press send.

Dropbox: Simply press the 'ICON' button on the angle analysis screen, then select the Dropbox option and chose the destination folder for the file.

N.B.

  • Please remember the person you are sending the photo file to, will also need TheBikeFit app loaded on their phone to open the file (if angle information is to be re-analysed).
  • For the recipient to open the image on their iPhone, they simply click on the TheBikeFit file in the email or in the shared Dropbox folder. They must then press the share icon (insert Icon here), then select the 'open in' icon option and choose TheBikeFit app. The image will then install automatically.
  • If you send a photo and a video to the same person, the videos and photos that are linked will automatically be associated in the app.
  • You will need to have a registered Dropbox, Twitter or Facebook account, the relevant app installed on your phone and be logged in for these options to work.

Sharing video files

There are two simple methods of sharing a video file recorded using TheBikeFit:

Email: Simply press the share (ICON) button on the video capture screen, select the email option and then add a destination address. Press send.

Dropbox: Simply press the share 'ICON' button on the angle analysis screen, then select the Dropbox option and chose the destination folder for the file.

N.B.

  • Please remember the person you are sending the video file to will also need TheBikeFit app loaded on their iPhone to open the file.
  • For the recipient to open the video on their iPhone, they simply click on the TheBikeFit file in the email or in the shared Dropbox folder. They must then press the share icon (insert Icon here), then select the 'open in' icon option and choose TheBikeFit app. The video will then install automatically.
  • If you also send photos taken from the same video to the same person, the videos and photos will automatically be linked in the app.
  • You will need to have a registered Dropbox account, the relevant app installed on your phone and be logged in for this option to work.
  • Video capture is memory intensive and creates large files. We only recommend sharing video files via a WiFi connection. Using a cellular connection will be slow and use a significant amount of your data allowance, please check with your provider before choosing this option.

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