App
GearPro
By DanielIan · v1.0.0
Rating
—
Reviews
0
downloads
100
Price
Free
Description
GearPro is a data field for cycling to display front and rear gear combination in real time. It was designed for bikes with mechanical, i.e. non-electronic, shifting. GearPro infers gear combination from speed and cadence as measured by sensors. Although speed can be estimated by GPS, use of a speed sensor is important since speed information determined solely by GPS is less accurate. - GearPro was developed for road cycling. Its performance for other cycling disciplines, e.g. gravel, mountain, will depend on the extent to which uneven terrain affects the accuracy of the speed and cadence measurements by the sensors. - GearPro will work on a smart trainer that provides speed information to a Garmin computer when combined with a cadence sensor. - GearPro can store settings for up to 10 bikes. *** Settings *** 1. How to enter settings Settings for GearPro can be entered with the Garmin Connect mobile app on a mobile phone/tablet or with the Garmin Express app on a laptop/desktop. If the latter, look for GearPro under “data fields” and click on the “…” symbol to enter settings. Note that some helpful prompts for entering settings are available with the Garmin Express app but not with the Garmin Connect app. 2. Bike profile To set up GearPro, first create a bike profile describing the drivetrain and wheel circumference of your bike. Under “Saved bike profiles” in the settings, click “Add item”. Then, enter a name for the bike profile, the wheel circumference in millimeters, and the front and rear gears, the latter as comma delimited lists (no spaces, ascending or descending) of the number of teeth for the chainrings and cassette cogs, respectively. Tables of wheel circumference for rim size and tire width can be found on the web or measured directly. Be sure to save the profile settings when done. GearPro will save profiles for up to 10 bikes. Profiles can be added or deleted any time. 3. Main settings Enter the name of a bike profile in the field prompted by “Which bike profile to use?”. This name must **exactly match** one of the saved bike profile names. There are two additional settings. - “Display mode” allows options for display of the number of front and rear teeth (“Front - Rear”) for the gear combination and also adding the ordinal number of the rear gear (“Front - Rear (N)”) or of both the front and rear gears (“Front (N) - Rear (N)”). - “Response rate” refers to the time allocated to infer the gear combination and also implies the confidence (or stability) in the inferred gear combination (faster response / less stability). “Medium” response will typically be fine. “Slow” may be needed for extra stability if there are gear combinations with very similar gear ratios that are difficult to distinguish. “Fast” may be stable enough if all the gear ratios are markedly different. *** Display *** At startup, GearPro will display the name of the chosen bike profile for ~15 seconds. Once moving, GearPro will display gear combination according to the “Display mode” setting, e.g. 50 – 21. If coasting or stopped, GearPro will display the last inferred gear combination with an asterisk, e.g. 50 – 21*. If there is no motion for an extended time, GearPro will display “--“. If your drive train has two gear combinations with the same ratio, both will be displayed with the combination including the more recently used front chain ring first followed by the alternative combination in parentheses. For example, if the front chain rings are 34 and 50 and the rear cassette has 17 and 25 cogs, GearPro would display “34 - 17 (50 - 25)”, both with ratio 2.0, if the prior gear combination happened to include the 34 front chain ring. *** Output Field *** The estimated gear ratio from GearPro for a ride can be viewed through Garmin Connect. This information is also written to the “.fit” file recording.
Review
Review article coming soon.