Chains mesh with sprockets without slipping. A pulley system would need to use higher tension(and suffer higher losses) to avoid slipping.
A double pulley system is simple. Instead of one wheel like the single pulley system has, the double pulley system has two wheels and carries more heavier loads than the single pulley system can hold.
The advantages of using a bicycle with a coaster brake system include simplicity, low maintenance, and the ability to brake by pedaling backward.
The rear derailleur pulley in a bicycle's gear shifting system guides the chain to move smoothly between different gears, allowing the rider to change the resistance and speed of pedaling.
A belt drive system on a bicycle offers advantages such as being low maintenance, durable, quiet, and clean compared to traditional chain drives.
Using small pulley wheels in a mechanical system can provide advantages such as increased mechanical advantage, reduced friction, and the ability to fit into tight spaces.
Using an oversize derailleur pulley in a bicycle drivetrain system can reduce friction, improve shifting performance, and increase efficiency by allowing for smoother chain movement and better alignment with the cassette cogs.
Double pulley systems are different from the one pulley system because the weight is now attacked to a pulley instead of an anchor. Another pulley is used to take some of the weight. A two pulley system only requires half the effort as a single pulley system.
The advantages of using a direct pull brake system on a bicycle include strong braking power, easy maintenance, and compatibility with various wheel sizes.
A short cage derailleur in a bicycle's drivetrain system offers advantages such as lighter weight, improved shifting performance, and better compatibility with smaller gear ratios.
The advantages of using a bicycle belt drive system over a traditional chain drive system include lower maintenance requirements, reduced noise, cleaner operation, and longer lifespan.
A double pulley system is simple. Instead of one wheel like the single pulley system has, the double pulley system has two wheels and carries more heavier loads than the single pulley system can hold.
A bicycle pulley system uses a set of pulleys and a belt or chain to transfer power from the pedals to the wheels. By using multiple pulleys, the system can change the direction of force and increase the mechanical advantage, making it easier for the rider to pedal. This enhances the efficiency of pedaling by reducing the amount of effort needed to move the bike forward.