KMC Sprocket 18T/20T R Shimano 1/8 - Black

KMC Compatible Shimano Sprocket & Internal Gear Hubs 18T-1/8" Black

• Nexus 5 VS-C7000 / SG-C7050 compatible
• Maximum efficiency which saves battery
• Treatment: Hardened Chromoly Steel
• Perfectly matched to KMC Chains
• For Shimano Internal Gear Hubs
• Size: 1/2" x 1/8"
• Colour: Black