Motorcycle Tyre Size Calculator are used to find Tyre width, Aspect ratio, Construction type, Rim diameter, Speed rating and Load index of Motorcycle Tyre. Features: • Instant calculation. • Result is copying abilities to another app. • Reference are included. • Support for Dark Mode. • Tiny app that conserves storage space. • Work offline. Motorcycle Tyre Size Designations: The motorcycle Tyre Code can be found on the tyre's sidewall with information about tyre: - Tyre width in mm. - Aspect ratio – ratio of height to width. - Rim diameter. - Construction type. - Load index - Maximum load capacity. - Speed rating - Maximum allowed speed. Same as four-wheeled vehicles, Tyres for motorcycle have a tyre code, which describes a tyre's width, height/width aspect ratio, wheel diameter, load index and speed rating. The most common code example are: 190/50 R 17 M/C (73 W) - 3 digit number: The "nominal section width" of the tyre in millimeter, the widest point from both outer edges. - / Slash character for character separation. - 2 or 3 digit number: The "aspect ratio" of the sidewall height to the total width of the tyre, as a percentage. - An optional letter indicating construction of the fabric carcass of the tyre: B: bias belt (where the sidewalls are the same material as the tread, leading to a rigid ride) D: diagonal R: radial -: cross ply tyre - 2 digit number: Diameter in inches of the wheel that the tyre is designed to fit. - M/C: Motorcycle Tyre - 2 or 3 digit number: Load index - 1 or 2 digit/letter combo: Speed rating This App works in both portrait and landscape mode on the iPad, and portrait mode on iPhone. The App also add support for Dark Mode. This App is a tiny app that conserves storage space and also work offline. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.