The Shimano Deorre 10 speed Super NArrow HGX Mountain Bike chain featires mud shedding design and advanced technology for easy control It is perfect for 10 speed mountain bikes and is tough and durable with unrivaled reliability Key Features Mud shedding design Directional chain High performance advanced technology for easy control Tough proven technology delivers durability and reliability Perfect for 10speed mountain bikes the HG54 is a directional Super Narrow HGX chain with a mudshedding design

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