Yes. The road bikes and MTBs have multiple gears while the BMX and track bikes only have one.
Yes, some BMX bikes have gears, but they are typically single-speed bikes designed for tricks and jumps.
yes
MotoGP bikes have 6 gears.
olympic gears
Depending on the bike yes most adult sized bikes have gears
Single speed bikes are not necessarily faster than bikes with multiple gears. The speed of a bike depends on various factors such as the rider's strength, terrain, and riding conditions. Gears can help riders adjust their pedaling resistance to optimize speed and efficiency.
Bikes with internal hubs have advantages over bikes with external gears in terms of low maintenance, protection from weather, and ease of use. Internal hubs require less maintenance, are protected from weather elements, and provide a cleaner look without exposed gears.
Yes, Tour de France bikes have gears. Gears allow cyclists to adjust the resistance and speed of their pedaling to navigate different terrains and conditions during the race.
yes
They make cars and bikes work.
Unfortunately, you can't change gears on bikes in HeartGold.
dirt bikes in the past had less gears and power then dirt bikes have today