KMC Z1eHX Narrow 1/2" x 3/32" Single Speed BMX Chain

The KMC Z1eHX Narrow Chain is a heavy-duty single-speed chain designed for riders who need strength, durability, and reliable power transfer.

Built with KMC's Heavy Duty Structure and StretchProof Treatment, the Z1eHX is engineered to withstand the high loads generated during hard acceleration and repeated riding — making it well suited to BMX racing and single-speed bikes.

The chain features mushroomed riveting for increased pin strength, while chamfered inner plates help provide smooth engagement with the drivetrain. KMC's Anti-Drop Design also helps maintain secure chain engagement when you're putting power through the pedals.

With its narrow 1/2" x 3/32" sizing, the Z1eHX is compatible with single-speed drivetrains using the corresponding chain width.

Why Choose the KMC Z1eHX?

✔ Heavy-Duty Construction – Built to handle high drivetrain loads
✔ StretchProof Treatment – Designed for increased durability and chain life
✔ Mushroomed Riveting – Provides a strong and secure chain structure
✔ Anti-Drop Design – Helps maintain reliable drivetrain engagement
✔ Inner Plate Chamfering – Promotes smooth engagement and operation
✔ BMX & Single-Speed Compatible – A strong choice for BMX race drivetrains

Key Features

StretchProof Treatment

KMC's StretchProof treatment is designed to increase chain durability and resistance to wear, helping maintain reliable performance over time.

Heavy-Duty Structure

The Z1eHX uses a reinforced construction suited to the high loads generated by BMX, single-speed.

Mushroomed Riveting

Mushroomed rivets strengthen the connection between chain plates and pins for dependable performance under load.

Narrow Single-Speed Design

The 1/2" x 3/32" sizing makes this chain suitable for compatible narrow single-speed drivetrain setups.