The two main commuter cyclists in my office have belt-drive bikes, so bicycle technology hasn&#x27;t completely ossified. They also have disk brakes, and seeing how this is wintertime in New England, they&#x27;re also rocking studded tires. I don&#x27;t have this, but I&#x27;m a fair-weather cyclist. Its like electric cars--people don&#x27;t notice how its been slowly moving forward.