Make a bold statement without sacrificing performance. The IZUMI ES410CJB-S features a stunning, premium Jet Black and Silver contrast finish that gives your drivetrain a sleek, custom-built look. Cut to a narrow 1/2" - 3/32" profile, this high-performance chain is the ultimate style and durability upgrade for vintage 5-6 speed road bikes, narrow BMX setups, internal gear hubs, and urban commuters.
KEY FEATURES
- The "JB-S" Custom Look: Designed with striking Jet Black outer links paired with bright Silver inner links and rollers. This dual-tone finish delivers an aggressive, modern look that elevates any bicycle frame.
- The Narrow "C" Profile: Precision engineered with a $1/2" \times 3/32"$ dimension, making it a perfect, quiet, and secure fit for 5-6 speed vintage drivetrains, narrow BMX race sprockets, and internal gear hubs (like Shimano Alfine/Nexus or Rohloff).
- Unmatched Japanese Durability: Crafted in Japan by Izumi's master engineers, using high-tensile steel and specialized heat treatment to resist chain stretch, ensuring miles of crisp power transfer.
- Smooth and Quiet Engagement: Every inner link and roller is meticulously shaped to minimize friction, providing an incredibly smooth, silent, and reliable pedal stroke.
SPECIFICATIONS
- Drivetrain Type: 5-6 Speed, Narrow Single-Speed, BMX Race, Internal Hub Gears
- Chain Dimensions: 1/2" x 3/32" (Narrow Chain profile)
- Link Count: 116 Links
- Material: High-Tensile Steel with Chrome-Moly pins
- Finish/Treatment: Jet Black Outer Plates / Silver Inner Plates & Rollers
- Connecting Link Type: Connecting Link Included
- Weight: 360g
- Country of Manufacture: 100% Made in Japan (Osaka)
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