Everyone

Topsuccess Labs

Jelly Bean

Ratio Pro for the YZF-R1 is a quick and useful tool for racers and track day goers alike. Gear ratios are crucial to racing and R1 Ratio Pro allows you to select the optimal gearing for any track.

This calculator that lets you select sprocket and tire dimensions to see the effect they will have on top speed and RPM in each gear. This app lets you save sessions with your gearing/tire data along with track, times, weather and setup notes for later reference and comparison. Graphs of selected gear ratio and drop in RPM when shifting are also available for a quick visual reference of all data.

Select your front and rear sprockets, tire width, profile and rim sizes, then change the RPM to instantly see how it affects speeds at all gears. Switch between MPH or Kph.

A gear speed graph displays the drop in RPM after shifting/at each shift point.r6 gear ratio graph
Save your settings for later reference and comparison; add weather, temperature, time and condition information and your own notes for each session. Go back and edit notes later if needed, or overwrite sessions entirely.

Offer high quality mobile wallpapers that you can use to easily personalize your mobile phone.

- All wallpapers is available for free.
- The app works online. Need to download wallpaper.
- You can preview the image on your device first
- All wallpapers in full HD quality.
- Customize the wallpaper to fit your screen.
- Full support for both phones in portrait and landscape modes.
- Lockscreen/homescreen/avatar wallpapers, satisfy all your needs.
- You need internet connection to use the app.
- If you have comments or suggestions to help us make it better, please let us know by leaving a review!


YZF-R Series Wallpapers

Versi Terkini YZF-R Series Wallpapers