KMC E101 EPT: The Waxed E-Bike Chain Built to Last
The KMC E101 1/8″ EPT is a heavy-duty single-speed chain purpose-built for the demands of electric bikes, including models with mid-motor drives. Treated with KMC’s innovative GO CHAIN WAX formula, this chain combines outstanding running efficiency with unmatched longevity, while the EcoProteQ anti-rust coating keeps corrosion at bay in all weather conditions. With 112 links, it’s designed to fit hub-gear drivetrains that need a chain capable of handling extra e-bike torque. Best for e-bike owners and workshops looking for a long-lasting, low-maintenance replacement chain that can cope with higher motor power.
Key Features
- EcoProteQ anti-rust treatment protects against corrosion and extends chain life
- KMC GO CHAIN WAX coating boosts efficiency while reducing friction and wear
- Reinforced construction designed to handle the extra torque of e-bikes and mid-drive motors
- Compatible with hub-gear (single-speed) drivetrains
- Premium KMC build quality for exceptional durability
Specifications
- Model: KMC E101 EPT
- Pitch: 1/8″
- Number of links: 112
- Treatment: Waxed with KMC GO CHAIN WAX, EcoProteQ anti-rust coating
- Application: E-bike, including mid-motor systems, hub-gear single-speed drivetrains
- EAN: 4715575512471
- Product code: KMCBE101EP12W
Is the KMC E101 chain suitable for e-bikes with a mid-drive motor?
Yes, the KMC E101 1/8″ EPT is specifically engineered to handle the higher torque produced by e-bikes, including those with mid-drive motors. Its reinforced build and anti-rust EcoProteQ treatment make it a reliable choice for demanding electric drivetrains that need extra strength.
What does the waxed KMC GO CHAIN WAX treatment do?
The KMC GO CHAIN WAX treatment coats the chain in a premium wax formula that reduces friction, improves pedaling efficiency, and adds significant durability compared to standard lubrication. It helps keep the chain running smoothly for longer while offering better protection against dirt and grime buildup.
Is this chain compatible with derailleur gears?
No, the KMC E101 EPT is a single-speed chain designed for hub-gear drivetrains, not derailleur systems. It’s ideal for e-bikes and other bicycles equipped with internal hub gears that require a strong 1/8″ chain rather than a multi-speed derailleur chain.

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