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KMC e9 eBike 9 Speed Chain - Silver
KMC e9 eBike 9 Speed Chain - Silver
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e9 · eBike 9-Speed Chain · 136 Links · Silver · 1/2" × 11/128"
KMC e9 eBike
9-Speed Chain
A 9-speed chain built specifically for e-bike drivetrains — higher torsion resistance, stronger pin construction, and Double X-Durability to handle the added load of motor-assisted riding. Compatible with Bosch, Shimano, and other e-bike systems.
Standard bicycle chains are designed around human power output — e-bike motors apply significantly more torsional load, accelerating chain wear and increasing the risk of pin fatigue. The KMC e9 is engineered specifically for this environment: higher torsion resistance, a stronger pin rating, and KMC's Double X-Durability treatment for maximum service life. Inner and outer plate chamfering are tuned for stability and shifting accuracy at the chain line extremes common on e-bike drivetrains. Non-directional design installs in either orientation. Includes a CL566R-NP MissingLink connector.
Highlights
Highest torsion resistance — built for motor torque
E-bike motors apply torsional force to the chain far beyond what human pedalling produces. The KMC e9 is designed to resist this — higher torsion resistance than KMC's standard chains means the chain holds geometry under load and wears more evenly over its service life.
Unsurpassed riveting geometry — highest pin power rating
KMC's strongest pin construction in this series. The riveting geometry controls how the pin is formed at the outer plate — tighter tolerances mean more consistent pin engagement and resistance to lateral flex failures.
Inner plate chamfering — stable engagement at extreme chain angles
The inner plate chamfers are shaped to guide chainring teeth smoothly into the chain. On e-bikes where the motor drives a larger chainring and extreme chain angles are common, this chamfering improves engagement consistency and reduces noise.
Asymmetric outer plate chamfers — cassette tooth clearance
The asymmetric outer plate design aids clearance of adjacent cassette teeth during shifts — particularly relevant at extreme chainline angles. Cleaner transitions between sprockets, less chain drop risk.
Elongated X-Bridge — improved shifting efficiency
The extended X-Bridge section between inner plates guides the chain more precisely over the sprocket tooth — faster, more accurate shifts across the cassette.
Double X-Durability — maximum service life
KMC's Double X-Durability treatment is applied to the chain's wear surfaces to extend service life. Combined with the e-bike-specific construction, this is KMC's longest-lasting 9-speed chain option for motor-assisted drivetrains.
136 links — extended length for long chainstays
At 136 links, the e9 is longer than most standard chains — sized to accommodate the longer chainstays common on e-bikes, cargo bikes, and step-through frames. Excess links are removed during fitting.
Includes CL566R-NP MissingLink connector
Ships with a KMC CL566R-NP MissingLink — a reusable quick-link connector that allows the chain to be installed and removed without a chain tool. Non-directional design means the connector installs in either orientation.
Specifications
| Brand | KMC |
| Model | e9 eBike 9-Speed Chain |
| Colour | Silver |
| Speed compatibility | 9-speed |
| Links | 136 |
| Chain width | 1/2" × 11/128" |
| Pin length | 6.6mm |
| Design | Non-directional |
| Connector | CL566R-NP MissingLink (included) |
| Compatibility | Bosch · Shimano · other e-bike systems (9-speed drivetrain) |
| Vendor # | KMC-e9/NN136L |
| Part # | 251294-01 |
KMC e9 eBike 9-Speed Chain · Silver · 136L · 1/2"×11/128" · #251294-01
- Description
e9 · eBike 9-Speed Chain · 136 Links · Silver · 1/2" × 11/128"
KMC e9 eBike
9-Speed Chain
A 9-speed chain built specifically for e-bike drivetrains — higher torsion resistance, stronger pin construction, and Double X-Durability to handle the added load of motor-assisted riding. Compatible with Bosch, Shimano, and other e-bike systems.
$81.49 CAD9-speed drivetrain compatibility 136 links extended length e-bike torsion optimized
Standard bicycle chains are designed around human power output — e-bike motors apply significantly more torsional load, accelerating chain wear and increasing the risk of pin fatigue. The KMC e9 is engineered specifically for this environment: higher torsion resistance, a stronger pin rating, and KMC's Double X-Durability treatment for maximum service life. Inner and outer plate chamfering are tuned for stability and shifting accuracy at the chain line extremes common on e-bike drivetrains. Non-directional design installs in either orientation. Includes a CL566R-NP MissingLink connector.
Highlights
Highest torsion resistance — built for motor torque
E-bike motors apply torsional force to the chain far beyond what human pedalling produces. The KMC e9 is designed to resist this — higher torsion resistance than KMC's standard chains means the chain holds geometry under load and wears more evenly over its service life.
Unsurpassed riveting geometry — highest pin power rating
KMC's strongest pin construction in this series. The riveting geometry controls how the pin is formed at the outer plate — tighter tolerances mean more consistent pin engagement and resistance to lateral flex failures.
Inner plate chamfering — stable engagement at extreme chain angles
The inner plate chamfers are shaped to guide chainring teeth smoothly into the chain. On e-bikes where the motor drives a larger chainring and extreme chain angles are common, this chamfering improves engagement consistency and reduces noise.
Asymmetric outer plate chamfers — cassette tooth clearance
The asymmetric outer plate design aids clearance of adjacent cassette teeth during shifts — particularly relevant at extreme chainline angles. Cleaner transitions between sprockets, less chain drop risk.
Elongated X-Bridge — improved shifting efficiency
The extended X-Bridge section between inner plates guides the chain more precisely over the sprocket tooth — faster, more accurate shifts across the cassette.
Double X-Durability — maximum service life
KMC's Double X-Durability treatment is applied to the chain's wear surfaces to extend service life. Combined with the e-bike-specific construction, this is KMC's longest-lasting 9-speed chain option for motor-assisted drivetrains.
136 links — extended length for long chainstays
At 136 links, the e9 is longer than most standard chains — sized to accommodate the longer chainstays common on e-bikes, cargo bikes, and step-through frames. Excess links are removed during fitting.
Includes CL566R-NP MissingLink connector
Ships with a KMC CL566R-NP MissingLink — a reusable quick-link connector that allows the chain to be installed and removed without a chain tool. Non-directional design means the connector installs in either orientation.
Specifications
| Brand | KMC |
| Model | e9 eBike 9-Speed Chain |
| Colour | Silver |
| Speed compatibility | 9-speed |
| Links | 136 |
| Chain width | 1/2" × 11/128" |
| Pin length | 6.6mm |
| Design | Non-directional |
| Connector | CL566R-NP MissingLink (included) |
| Compatibility | Bosch · Shimano · other e-bike systems (9-speed drivetrain) |
| Vendor # | KMC-e9/NN136L |
| Part # | 251294-01 |
KMC e9 eBike 9-Speed Chain · Silver · 136L · 1/2"×11/128" · #251294-01
KMC © 2026 e9 eBike 9-Speed ChainPartager
Note:
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