Get to Know a Brand Every Week – Merida

Release Time：

2026-04-07

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Merida Cranksets: A Evolutionary Journey from Classic Square-Bores to Modern Integrated Designs

The crankset (chainring) is the core of a bicycle’s drivetrain, and as a leading Taiwanese bicycle manufacturer, Merida’s chainrings have undergone Square hole, spline, and hollow integral design Three generations of technological innovation deliver a perfect balance of durability, lightweight design, and pedaling efficiency, catering to every riding scenario—from everyday commuting to professional competition.

I. The First-Generation Classic: Square-Hole Crank Chainring (1980s–Early 2000s)

Early models prior to 1988 (brand’s founding / OEM period)

Core features: JIS standard square-hole shaft , aluminum alloy forging, simple and unadorned logo; mostly 42/52T double-layer (Road / Commuting) or 44/32/22T three-piece (Early mountain / BMX).
Process: Solid crankshaft and split chainring, secured by bolts; Durable, reliable, and low-cost , is an early microcosm of Taiwan’s precision component manufacturing.

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Entry-level models after 2000 (Warrior/Duke series)

Representative models: Merida Scultura, and the older Duke 500/600.
Specifications: 48/38/28T or 44/32/22T Three discs, compatible with 7–9 speeds; paired with Sealed bearing with square hole and central shaft , silt-proof and easy to maintain.

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II. Transitional Upgrade: Spline Crank Gearset (Mid-2000s to Early 2010s)

ISIS/Octalink spline

Core Upgrade: Square hole → spline (8–10 teeth in occlusion), Larger contact area and greater rigidity , providing more direct pedaling power and eliminating the risk of “slipping” in square-hole cranksets.
Applications: Mid-range mountain bikes (such as older Challenger models) and advanced road bikes, paired with Integrated splined bottom bracket , with improved accuracy and stability.

III. Modern Mainstream: Hollow Integrated Crankset with Chainring (2010s to Present)

1. Entry-level hollow integrated (OEM by Haomeng / Prowheel)

Representative models: the new Duke 600 and Challenger 300.
Features: Integrated hollow design of crank and axle , Lightweight; Two-tooth / Three-tooth sprocket (36-26T, 42-32-24T), compatible with 9–12 speeds.
Advantages: Lighter, stiffer, and smoother , with a wide bearing layout, pedaling efficiency is significantly improved.

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2. Mid-to-high-end integrated systems (Shimano DEORE/SLX/XT)

Representative models: Challenger 700/900, Da Jiu, and Stella road bikes.
Core Technology: Hollowtech II Second Generation , Forged aluminum alloy / carbon fiber crankset, Positive and negative tooth single disc (Lightweight mountain), 50-34T/52-36T Dual-carriageway highway.
Highlights: Ultra-lightweight, high rigidity, and precise gear shifting , tailored for professional competitions and long-distance cycling.

IV. Core Advantages of Merida Cranksets and Chainrings

Steady technological iteration : From the classic square hole to the modern integrated design, Balancing Durability and Advanced Technology , covering demand across all price ranges.
Mature supply chain : Long-term with Shimano, HAO MENG Collaboration, stable quality control, and a full range of after-sales spare parts.
Wide scene adaptation ：
Commuting / Entry-level: square hole / entry-level hollow, Economical and durable 。
Advanced / Off-road: Hollow, one-piece, Wide tooth pitch, high rigidity 。
Road / Competition: Lightweight design, high transmission efficiency MERIDA BIKES.

V. Key Considerations for Selection and Maintenance

Square hole: suitable Old-car repair and entry-level commuting , low cost and easy to maintain.
Hollow integrated: Prioritize the new model. , lightweight design and optimal efficiency, compatible with mainstream vehicle models.
Maintenance: Regularly clean the bottom bracket and apply grease; the square hole requires Periodically tighten the crank bolts. , to prevent loosening.

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