KMC X8 8-Speed X-Series High-Performance Bicycle Chain
- 8-speed chain for Shimano, SRAM, Campagnolo
- Single strand alloy steel, 0.5 inch pitch
- 1334 N working load limit, tensile strength rated
- 0.27 kg, single-use connecting link
- Made in the United States, MTB, road, gravel, cyclocross
Last refreshed Oct 3, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An eight-speed alloy steel chain with a single-use connecting link that needs no tools. It is not for drivetrains with a different speed count.
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ASIN: B001MXQHPGModel: KMC027Category: Chains
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Overview
An eight-speed bike with Shimano, SRAM or Campagnolo parts is where this KMC X8 chain belongs. A single-use connecting link joins the ends without tools, and the chain is made in the United States.
A rated working load and cross-brand compatibility make it a practical replacement for older eight-speed setups. The connector can only be used once, so spares are worth carrying.
Who it's for
Cyclists keeping an eight-speed drivetrain running with a chain that fits all three major brands. Anyone with another speed count needs a chain matched to it.
Pros and cons
- Works with three component brands
- Tool-free connecting link
- Stated working load limit
- Replacement warranty for defects
- Connecting link is single use
- Length entry looks unreliable
- Not for other speed counts
Performance notes
Chain width matches the cog spacing of an eight-speed cassette, so shifting depends on the pairing. The tensile strength and corrosion resistance named in the spec describe durability, and wear shows as chain stretch.
Where it stands among chains
- #10 most-searched brand and model of the 19 chains lines we track (by search demand, not sales).
From the specs of the 15 chains we list; not a test result.
Specifications
| Brand | KMC |
|---|---|
| Model | KMC027 |
| Dimensions & fit | |
| Weight | 0.27 kilograms |
| Working load limit | 1334 N (3E+2 lbf) |
| Construction & materials | |
| Material Type | Alloy steel |
| Included components | |
| Included Components | Connecting link |
| Warranty & support | |
| Warranty Description | Replaced if broken or defective |
| Other details | |
| Strand Type | Single |
| Recommended Uses For Product | Road, MTB |
| Specification Met | 8-speed |
| Pitch | 0.5 inches |
Frequently asked questions
Can I reuse the KMC X8 connecting link?
No. The description calls it a single-use connecting link that needs no tools.
Is the KMC X8 chain for nine-speed drivetrains?
No. It is listed for eight-speed systems from Shimano, SRAM and Campagnolo.
Where is the KMC X8 chain made?
The description says it is manufactured in the United States.