27.5in/27in or 650b for smoothness plus more agility, power and acceleration than 29in wheels. It's a a lot more balanced and responsive wheel dimension with considerably less inertia even though steering. Designed and engineered with an emphasis on ease and comfort and performance, this short will be the best short https://marioqoqpm.wikibyby.com/849876/the_basic_principles_of_cycling_apparel