Riser bars are very similar to flat bars but have a more important upward bend and infrequently a backward sweep. They’re normally located on trail and mountain bikes. Tire: as in typical usage. Usually pneumatic. A tubular tire is glued into the wheel rim; most tires use tubes, but tubeless https://pitbikeengines60476.pages10.com/what-does-bike-parts-headset-mean-70331856