【Material】This bicycle pulley is made of POM material. It is stronger and more durable.
【Effect】This bicycle rear derailleur pulley is suitable for gear accessories with 8/9/10/11,11/13 teeth for bicycle rear derailleurs and is used for chain transport and shifting on the derailleur.
【Easy to use】This bicycle pulley fits 4/5/6 mm pulley screws. Suitable for most mountain bikes. Supports various speed changes.
【Wide use】This bicycle shift pulley is suitable for road bikes, mountain bikes, etc.