KMC S1 Chain
Best durable upgrade for single-speed, BMX, and commuter bike setups.
A reliable, no-nonsense chain built specifically for the simplicity of single-speed setups and internally geared hubs. It prioritizes durability and quiet operation over complex shifting performance, making it a perfect, low-maintenance choice for daily commuters.
$15.99
at
Plenty of Bikes
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Who it's for
- Budget-conscious riders needing an affordable replacement chain
- Single-speed, BMX, and cruiser bike owners seeking reliable drivetrain performance
- Home mechanics preferring simple installation and basic maintenance
Who should skip it
- Commuters riding in wet or salty coastal environments
- Performance-focused cyclists prioritizing lightweight components for speed
- Aggressive riders putting high torque on their drivetrain
Performance breakdown
Durability
Robust steel construction handles high-torque riding without premature stretching or wear.
Installation Ease
The included master link makes sizing and setup incredibly straightforward.
Weight Efficiency
Bushingless design keeps the drivetrain light without sacrificing necessary structural integrity.
Chain Retention
Anti-drop profile keeps the chain locked securely during aggressive riding sessions.
Drivetrain Quietness
Chamfered inner plates significantly reduce noise for a smoother, stealthier ride.
Versatility
Reliable performance across BMX, commuting, and single-speed setups alike.
Key Specs
Links
112
Width
9.3mm
Pitch
1/2 inch x 1/8 inch
Chain Style
Full link
Pins
Steel
Outer Plates
Steel
Inner Plates
Steel and ramped
Bushings
Bushingless
Master link
Included
Speeds
1
Know before you buy
Still have a question?
Ask Metto anything about the KMC S1 Chain before you decide.
