Not much kills the stoke from a great spin quicker than a flat tire. This is why tubeless tires are increasingly ... Most gravel and mountain-bike wheels these days are compatible; road bikes ...

Inflatable insert makes tubeless MTB tires "virtually burpless" This cutaway image shows how the OPTIS insert sits relative to the tire – a two-way valve is used to inflate both Odyssey BMX ...

As any mountain biker will tell you, the amount of air that's in the tires drastically affects the performance of the bike. Hard ... going to bother stopping to inflate or deflate their tires ...

Anyone who rides a bike would agree that flat or low-pressure tires are a drag. But why fiddle with a pump when the tire can inflate itself? San Francisco-based startup PumpTire has invented just ...