Simple Bike Gear Calculator

Máy tính bánh răng đơn giản cho bất kỳ sự kết hợp bánh răng hoặc bánh xe

Simply enter any sprocket or chainring size from as little as 1 sprocket and 1 chainring up to 12 sprockets and 3 chainrings, select a common tyre size from the drop down list of over 150 tyre sizes and select what result you want.

* Calculations options are: Roll Out in metres, Roll Out in inches, Skid Patches, Gear Inches, km/h, mph, Ratio and Gain Ratio

* Adjustable cadence from 60 to 120 rpm for speed calculations

* Database of over 150 tyre sizes

* Entered C/rings and sprockets are automatically saved

* Option to share your calculation by email or your preferred messaging app, mechanics share your recommended gearing with your customers