This preoccupation This started with discovering the difficulties of dismounting tubeless ready tires from my gravel bike in the fall of 2019 and the spring of 2020. Changing a tire was not supposed to be a job requiring shop time. Tires are a major cause of rolling resistance, and in principle can be repaired and …
Clinchers; Tubes and Tubeless In the early 21st century, the most common bicycle tires are pneumatic clincher or bead clincher tires. The tire has a bead, formerly made of metal wire. Modern tires are manufactured with material that can rebound into a circle after being folded for packaging and shipment. The tire contains an inner …
Original or classic cyclometers measure and display distance, time and speed. The monochrome displays were visible even in bright sunlight and under low light condition. The devices could be powered by button cell batteries. These units have a magnet that clips onto a spoke which rotates the magnet past a sensor. They count rotations and …
Cannondale Topstone 105 The Cannondale Topstone 105 Alloy is a gravel bike by Cannondale, a subsidiary or brand of the Canadian conglomerate Dorel Industries, manufactured in Taiwan. The frame is an aluminium alloy. This is what it looks like Cannondale builds it in 5 sizes that it calls XS, SM (small), MD, LG, XL. I …
Variety I looked at a new bike last summer (2019). The literature of cycling and bicycle manufacturing is vast. The Guardian published a survey and list of printed works in 2016. Some books are about innovation and engineering. Some are about competitive events – or the special bikes used in competition. Racing on tracks and …