SHIMANO CN-HG40 6/7/8-Speed Bicycle Chain (116 Links with Connecting Pin) - OEM Bulk

Restore smooth, precise gear changes to your drivetrain with the genuine Shimano CN-HG40 6/7/8-Speed Chain. Engineered with Shimano's signature HYPERGLIDE (HG) chamfered inner and outer plates, this 116-link chain provides reliable chain retention, fast rear cassette engagement, and quiet pedaling performance across mountain, hybrid, commuter, and road bikes.

Key Specifications

• Brand: SHIMANO
• Model: CN-HG40
• Drivetrain Speed: 6-Speed / 7-Speed / 8-Speed
• Link Count: 116 Links
• Width: 7.3 mm
• Connection Type: Includes 1x Shimano Ampoule Connecting Pin
• Technology: HYPERGLIDE (HG) Shift Performance
• Average Weight: Approx. 335g
• Condition: 100% Authentic Brand New
• Packaging: OEM Bulk (Protective Polybag)

Why Choose Shimano CN-HG40?

1. Smooth HYPERGLIDE (HG) Shifting

Engineered with specially shaped inner and outer plate profiles that guide the chain cleanly across cassette sprockets, delivering fast, positive index shifting under pedaling loads.

2. Universal 6 / 7 / 8-Speed Versatility

Compatible across 18-speed, 21-speed, and 24-speed drivetrains, making it the ideal replacement chain for Shimano Tourney, Altus, Acera, and Claris series bikes.

3. Secure Factory Connection Pin Included

Supplied with a genuine Shimano ampoule connecting pin to ensure a high-strength, flush-fit connection during installation.

Compatibility & Installation Notes

• Drivetrain Compatibility: Fully compatible with all 6-speed, 7-speed, and 8-speed Shimano, SRAM, and SunRace drivetrains.
• Trimming & Sizing: Standard 116-link length fits most bike setups out of the box; use a standard bicycle chain breaker tool to trim extra links if necessary.
• Installation Tip: Insert the silver guide end of the connecting pin through the chain link, press flush using a chain tool, and snap off the excess guide tip with pliers.

Frequently Asked Questions (FAQ)

Q: Does this chain include a connecting pin?
A: Yes! Each CN-HG40 chain includes 1x genuine Shimano ampoule connecting pin for installation.

Q: Will this fit my 21-speed (3x7) mountain bike?
A: Yes! The CN-HG40 is designed specifically for 6-speed, 7-speed (21-speed total), and 8-speed (24-speed total) drivetrains.

Q: Is this authentic Shimano?
A: Yes, 100% genuine Shimano factory components sourced directly through authorized OEM supply channels.

Q: What is OEM bulk packaging?
A: Items ship in industrial protective polybags instead of retail display boxes to pass direct savings to you.

Q: Fast Domestic Shipping?
A: Yes, all orders ship directly from our US warehouse for quick delivery.