Carbon Drive Belt Tension Tool 4+

Gates Carbon Drive

Gates Corporation

Designed for iPad

    • 2.7 • 17 Ratings
    • Free

Screenshots

Description

Gates Carbon Drive is the high-tech belt drive for bicycles, motorcycles, & scooters. This app measures belt tension sonically. Just pluck your belt like a guitar string and use the microphone on your phone to read the vibration frequency. Compare your bicycle belt’s frequency to the included chart to see if you need to adjust the tension. For scooter/motorcycle tension recommendations, compare to your vehicle owner’s manual.

Other available features for bicycles:

Interested in key parameters of your bicycle belt drive like speed ratio or center distance? Want to know what belt lengths or sprocket sizes will fit your bicycle? What about comparing one bike to another to tweak your ratio perfectly? With our calculator, you can stay on top of the perfect setup for your drive.

- Find key parameters of your drive such as speed ratio and center distance.
- Change belt length or sprocket sizes to better suit your riding needs.

What’s New

Version 2.7.8

Code improvements and bug fixes

Ratings and Reviews

2.7 out of 5
17 Ratings

17 Ratings

Mynicknameisntanicknameatall ,

Barely good enough

I have now used the app multiple times. I used it on my Priority 3 speed bicycle. I have gained some experience adjusting the belt and using the app. The app is very sensitive. Ignore the many false readings. I delete them so I know where I am. Things have to be completely quiet. This is essential. You will still get false readings. That was the only part of the app I used. I would also recommend that the average tension reading be ignored. I had an odd sensation when pedaling in second gear when my average was within range but there was a spot that was tighter and out of range. That’s not an issue with the app but a helpful tip. I also recommend squeezing the belt when tightening the axle nuts. Only measure the tension with the app when they’re tight. The Priority website is helpful, if brief. Having the bike upside down on the floor is better than in a stand. Finally, plucking the belt makes your fingers sore quickly.
There are actual tools out there for measuring belt tension, but the app is free and good enough for doing it occasionally.

Baron von Snek ,

Could be better

I wanted to check my bike’s belt tension. This app is a noble attempt at making that easy, but it falls a bit short. First, you *really* need to be somewhere very quiet otherwise your readings will be drowned out. Second, the app seems to have trouble with harmonics. I’d often get readings of 25hz then 50hz then 25hz again. To be honest a spectrograph might be more helpful than a single number.

dgstyfutuey ,

This app does work surprisingly well but, it could be improved with a simple update.

I own a priority 600, & this app does help with tensioning the belt when used correctly in a quiet room, but it could be much easier with a simple feature. Please add a “pause button” for in between “plucks” I can’t rotate the crank 1/4th turn without a bike stand else I get a false positive because of other small noises.

App Privacy

The developer, Gates Corporation, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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