Filled Fact on Instagram: "Track cyclists struggle to move a fixed-gear bike from a dead stop because the setup is optimized for speed, not leverage. Track bikes use very large gear ratios, which means one pedal revolution moves the bike a long distance, but that also requires a lot of force to start turning the cranks when the bike isn’t already moving. Since a fixed gear has no freewheel, the rider can’t build momentum by spinning lightly at first—any pressure on the pedals is directly tied to