Description
With a hole diameter 4mm sleeveThe Bike Rear Derailleur Pulley is equipped with a hole diameter 4mm sleeve, original hole diameter 5mm, if the original sleeve is removed, the hole diameter can be changed to 6mm, 4/5/6 shaft pulley screw can be applied.
Durable and practicalThe Bike Rear Derailleur Pulley is made of high quality materials, durable and practical.
Easy to installThe Bike Rear Derailleur Pulley is easy to install and use, provide good usage experience.
2 different typesThe Bike Rear Derailleur Pulley is wonderful accessory for mountain bike.2 different types for you to choose, meet your different needs.
Service guarantee: We offer 100% perfect customer service. If you have any questions, please do not hesitate to contact us. We will do our best to help you solve your problem.
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