https://wheelsignal.com/blog Plain-English guides to tires, wheels, fuel economy and gearing. en Wed, 04 Nov 2026 00:00:00 GMT https://wheelsignal.com/blog/how-to-read-a-tire-sidewall https://wheelsignal.com/blog/how-to-read-a-tire-sidewall A plain-English guide to the size, load index, speed rating, XL, M+S and DOT date code on a tire (tyre) sidewall, with an annotated diagram. Wed, 04 Nov 2026 00:00:00 GMT https://wheelsignal.com/blog/plus-sizing-wheels-and-tires https://wheelsignal.com/blog/plus-sizing-wheels-and-tires How plus-one and plus-two wheel upgrades keep overall tire diameter close to stock, what changes when they don’t, and how to check a size before you buy. Wed, 04 Nov 2026 00:00:00 GMT https://wheelsignal.com/blog/wheel-offset-vs-backspacing https://wheelsignal.com/blog/wheel-offset-vs-backspacing Offset and backspacing describe the same wheel from two directions. Learn the sign conventions, the conversion, and what a change does to inner and outer clearance. Wed, 04 Nov 2026 00:00:00 GMT https://wheelsignal.com/blog/mpg-vs-l-100km-fuel-economy-units https://wheelsignal.com/blog/mpg-vs-l-100km-fuel-economy-units US and imperial gallons, the “MPG illusion”, and why consumption figures like L/100 km make fuel savings easier to compare. Wed, 04 Nov 2026 00:00:00 GMT https://wheelsignal.com/blog/gear-ratios-tire-size-and-rpm https://wheelsignal.com/blog/gear-ratios-tire-size-and-rpm What gear and final-drive ratios mean, how tire diameter changes effective gearing, and how to work out cruising RPM and re-gearing after bigger tires. Wed, 04 Nov 2026 00:00:00 GMT