The KMC e12 is a 12 speed e-bike chain in silver, built to cope with the force of central motors. It offers tensile strength of over 1,000kgf, exceeding international standards by over 30%, and is compatible with Bosch and other e-bike systems.
12 speed e-bikes wear chains quickly because of the extra motor torque. The e12 is made for exactly that job, helping your drivetrain last longer and shift reliably.
High tensile strength
Over 1,000kgf tensile strength handles powerful central motors.
Highest torsion resistance
Built to resist twisting forces when shifting under motor load.
Shield Tech riveting
KMC’s Shield Tech riveting secures the pins for strength and longevity.
Precise shifting
Dynamic chamfer angles and a Double X inner bridge shape give smooth, accurate gear changes.
Frequently Asked Questions
Will it fit a Bosch e-bike?
It is compatible with Bosch and other 12 speed e-bike systems.
Is it directional?
No, it is non-directional.
Is it suitable for SRAM flattop drivetrains?
No. SRAM flattop and T-Type systems need a flattop chain.
Item specs
- Brand: KMC
- Model: e12
- Speed: 12 speed
- Size: 1/2″ x 11/128″
- Colour: Silver
- Tensile strength: over 1,000kgf
- Shield Tech riveting, Triple X treatment
- Non-directional
- Compatibility: Bosch and other e-bike systems



































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