What the marks on your e-bike tire mean
Every e-bike tire has numbers, letters and arrows molded into its side. These pages explain what the size codes, pressure marks and arrows say, how tube and valve types differ, and how flats happen. Each page leans on tire makers, standards bodies and bike makers' own pages.
All the tire notes
- How to Read an E-Bike Tire SidewallA plain walk through the codes molded into an e-bike tire sidewall: size, pressure, rolling direction, build type and e-bike marks.
- ETRTO and Inch Tire Sizes ExplainedWhy a tire can say 622 and 28 inches at once, which number decides whether it fits your rim, and why inch codes can mislead.
- Max and Min Pressure Markings on a TireWhat the pressure numbers on a tire sidewall mean, how bar and psi relate, and why your bike maker's manual is the place for advice.
- Rotation Arrows and Mounting DirectionWhat the arrow on a bike tire sidewall means, why front and rear arrows can differ, and how makers say to mount a tire that has one.
- What 'E-Bike Rated' and Speed Labels on a Tire MeanWhat E-25 and E-50 marks on a tire say, what tire makers claim about e-bike tires, and where to look for your own rules.
- Tube and Valve Types: Presta, Schrader and TubelessHow to tell Presta, Schrader and Woods valves apart, what a tubeless setup changes, and what each type means for your pump.
- How E-Bike Tires Get PuncturesHow punctures, pinch flats, blowouts and tubeless burps happen, and what each kind of damage tends to look like on the tire and tube.