KMC HL1 Single Speed Half-Link Chain 100L – Black (with Connect Pin)

Dial in perfect chain tension and durability with the KMC HL1 Half-Link Chain — a trusted choice for BMX, single-speed, and fixed gear setups.

Featuring a half-link design, the HL1 allows precise adjustment in smaller increments than standard chains, making it ideal for frames with limited dropout adjustment. Whether you’re setting up a clean street build or optimising chain tension on a performance drivetrain, this chain gives you maximum control over fitment and alignment.

Built with KMC’s proven construction, the HL1 delivers high strength and long-lasting durability, thanks to reinforced mushroomed pins and a robust wide-link design. The included connect (bullet) pin ensures secure installation, while the black finish adds a clean, understated look to your drivetrain.

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Key Features

• Half-link design for precise chain length adjustment

• Ideal for single-speed, BMX, and fixed gear setups

• Wide 1/2" x 1/8" construction for strength and durability

• Reinforced mushroomed pins for improved longevity

• Anti-drop design for secure engagement on chainrings

• Includes connecting (bullet) pin for installation

• Durable black finish for a clean, stealth look

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Why Choose a Half-Link Chain?

Half-link chains allow you to adjust chain length in smaller increments, making it easier to:

• Achieve perfect chain tension

• Optimise wheel position in dropouts

• Fine-tune drivetrain alignment

This makes them especially useful for BMX and single-speed builds where precision matters.

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Compatibility

• Single-speed drivetrains

• BMX and freestyle bikes

• Fixed gear / track bikes

• Compatible with 1/2" x 1/8" chainrings and cogs

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Specifications

• Chain Type: Half-link

• Speed: Single speed

• Size: 1/2" x 1/8"

• Length: 100 links

• Colour: Black

• Connection: Bullet / connect pin

• Application: BMX, single-speed, fixed gear