Pulley Wheels


Choose the Most Durable Pulley for Your Bicycle
The pulleys on a bicycle are components placed within the rear derailleur hanger. They are circular, toothed pieces, similar to a bike cog, that allow the chain to pass through the derailleur hanger. They also help improve the chain's movement as the derailleur shifts from one cog to another. Due to this movement, the chain experiences a great deal of tension, which is why pulleys must be durable enough to avoid wear or breaking teeth.

Which Pulley to Choose? Ceramic or Aluminium?
▶︎ Traditional Pulleys:
These are typically made from aluminium and feature steel balls arranged radially inside the bearing. They are highly effective and significantly reduce friction during rotation compared to other systems like bushings.

▶︎ Ceramic Pulleys:
These provide a smoother rotation than traditional ones due to both the balls and the raceway having a special surface treatment that significantly reduces friction. They are also harder than steel pulleys, with durability increasing by 20% to 30% depending on their construction. Ceramic pulleys require less maintenance and are fully resistant to oxidation.

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