Tutorial: how to oil the chain of a classic or fixed or torpedo brake bike (bicycle) at home (5K video).

Fixed bike:
A fixed bike, also known as a fixed-gear bike or fixie, is a type of bicycle that has a drivetrain with a single gear and lacks the freewheel mechanism found in most traditional bicycles. In a freewheel system, you can stop pedaling while the bike is still moving forward because the pedals will remain stationary while the wheels continue to turn. However, in a fixed gear system, the pedals are directly connected to the rear wheel, so if the bike is moving, the pedals will continue to turn as well.
Key characteristics of a fixed bike include:
Single Gear: Fixed bikes typically have a single gear ratio, meaning you cannot shift to different gears for different riding conditions. This simplicity can make them easier to maintain.
No Freewheel: As mentioned, the absence of a freewheel means that you must continually pedal whenever the bike is in motion. This feature can provide a unique feeling of control and engagement with the bike.
Direct Connection: The connection between the pedals and the rear wheel means that you can control the speed of the bike by adjusting your pedaling cadence. If you pedal faster, the bike goes faster; if you slow down your pedaling, the bike slows down.
Braking: Some fixed bikes do not have traditional hand-operated brakes. Instead, riders slow down and stop the bike by resisting the forward motion of the pedals, a technique known as “skidding” or “backpedaling.” However, many fixed gear enthusiasts also install brakes for added safety.
Simplicity and Aesthetics: Fixed gear bikes are often appreciated for their minimalistic design and clean lines. They are popular among urban cyclists and bike enthusiasts who enjoy the aesthetic and unique riding experience they offer.
Fixed gear bikes are commonly used for urban commuting, track racing, and even some forms of trick riding. They require a certain level of skill and awareness from the rider, as the absence of freewheeling means that you need to anticipate your actions and the road ahead more actively. While fixed gear biking can be enjoyable for many, it might not be suitable for everyone, especially those who prefer the convenience of multiple gears or are less experienced with cycling.

Torpedo brake bike:
A torpedo brake, also known as a coaster brake or back pedal brake, is a type of braking mechanism commonly found on bicycles. It’s an internal braking system that is located within the rear hub of the bicycle wheel. When you pedal forward, the bike moves forward, and when you pedal backward (back-pedal), the brake is engaged, causing the bike to slow down or come to a stop.
Here’s how a torpedo brake works:
Engagement: When you start pedaling backward, a mechanism within the hub engages the brake. This mechanism typically involves a series of gears and a brake shoe that is pushed against the inside of the hub shell.
Braking Force: As you continue to pedal backward, the brake shoe presses against the hub shell, creating friction that slows down the rotation of the wheel. This friction converts the kinetic energy of the moving bike into heat, which results in deceleration.
Release: When you stop pedaling backward and begin pedaling forward again, the mechanism disengages the brake, allowing the wheel to spin freely without any resistance from the brake.
Torpedo brakes are often found on cruiser bikes, children’s bikes, and some vintage bicycles. They offer a simple and intuitive way of braking, especially for riders who might not be comfortable using hand-operated brakes. However, they have some limitations compared to traditional hand brakes:
Single Brake: Torpedo brakes are typically located on the rear wheel only. This means that the front wheel, which provides more effective braking power, relies solely on a hand-operated brake.
Limited Control: While coaster brakes are easy to use, they can be less precise than hand-operated brakes, especially in situations where you need to apply varying degrees of braking force.
Heat Buildup: Intense or prolonged braking with a coaster brake can generate heat and cause the hub to become hot. This might not be an issue during regular riding, but it can be a concern when descending steep hills.
Maintenance: Coaster brakes are generally sealed systems, which can make maintenance and repairs more complex compared to traditional rim brakes.
Overall, torpedo brakes are a nostalgic and straightforward braking option that appeals to certain types of riders and specific styles of bicycles. However, many modern bicycles opt for hand-operated brake systems for increased control and versatility.

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