The Shimano CN-HG54 is a premium, super narrow 10-speed mountain bike chain, engineered specifically for the demands of Shimano Dyna-Sys drivetrains. With 116 links and an included ampoule-type connecting pin for secure joining, this chain delivers smooth, reliable shifting performance under a variety of off-road conditions, from cross-country rides to more aggressive trail and all-mountain adventures.

🔧 Technical Specifications:

• Model: CN-HG54

• Speed Compatibility: 10-speed

• Link Count: 116 links (can be shortened)

• Connection Type: Ampoule-type connecting pin (included)

• Chain Width: Super narrow (approx. 5.88 mm internal width)

• Material: High-tensile steel with precision machining

• Surface Treatment: SIL-TEC coating (on some models) for reduced friction and corrosion resistance

• Weight: Approx. 260 grams

⚙️ Key Features & Performance:

1. HyperGlide (HG) Technology:

Designed for Shimano’s Dyna-Sys 10-speed MTB groupsets, the CN-HG54 features HyperGlide technology, which ensures optimal chain and cassette tooth engagement. This allows for precise, quiet, and efficient gear shifts, even under high torque loads typical of off-road riding.

2. Super Narrow Design:

The super narrow profile enables the chain to fit tightly within the compact spacing of 10-speed MTB cassettes, improving shift speed and accuracy. The slim design also reduces friction and drivetrain noise, contributing to a more efficient power transfer.

3. SIL-TEC Surface Coating:

Many CN-HG54 chains come with Shimano’s SIL-TEC coating, a fluorine-based treatment applied to the inner and outer plates. This coating significantly reduces friction and repels dirt and water, increasing chain life and maintaining smooth shifting in muddy or wet conditions.

4. Ampoule-Type Connect Pin:

The included ampoule-type pin provides a strong, permanent link connection, ensuring durability and security. This is particularly important in MTB conditions where sudden impacts and stresses are common.

5. Durability and Corrosion Resistance:

Constructed from heat-treated steel, the chain resists wear, elongation, and corrosion. It is built to withstand the rigors of mountain biking, including mud, water, and dirt exposure.

🚴 Ideal Applications:

• Cross-Country (XC) Riding: Lightweight, smooth-shifting chain for fast terrain

• Trail and All-Mountain: Durable construction supports aggressive riding and technical trails

• Recreational MTB Use: Reliable chain for casual riders who want dependable shifting

• Shimano Dyna-Sys 10-Speed Systems: Full compatibility ensures optimal drivetrain efficiency

🛠 Installation & Maintenance:

• Can be shortened to fit using a standard chain tool

• Use the ampoule-type connecting pin for a secure and lasting join

• Regular lubrication recommended for long-term performance and reduced wear