Updated: 08/11/2018. This post answers a frequently asked question: “To what pressure should I inflate my bicycle tyres?” Related posts explain: Slick bicycle tyres, Rolling resistance – are narrower tyres faster and Bicycle winter tyres. Contents: 1. What is the role of air pressure in tyres? 2. What is the optimal tyre pressure? …2.1. What … Read moreTo what pressure should I inflate my bicycle tyres?