1 / 2KMC E-Bike e12 EPT 12-Speed Chain, Model 306102
Model: KMC E-Bike e12 EPT is a 12-speed chain listed for e-bikes, with an EcoProTeQ anti-rust coating and a joining link. The listing describes compatibility with 12-speed Campagnolo, Shimano and SRAM MTB drivetrains, but excludes SRAM road groups, so confirm your drivetrain before ordering.
At a glance
- Designed for e-bikes, with the listing specifically describing use on mid-engine systems such as Bosch, Panasonic and AEG.
- EcoProTeQ is described as anti-rust technology, with a claimed salt spray test exceeding 650 hours.
- Non-directional design means the listing says installation direction does not matter.
- Listing claims increased torsion resistance for high-torque e-bike use and shifting.
Often bought together
Pros and cons
Pros
- The claimed e-bike-focused design and torsion resistance suit buyers looking for a chain intended for motor-assisted drivetrains.
- Non-directional assembly removes the need to orient the chain in a particular direction.
- A joining link is listed among the included components.
Technical specifications
17 specifications| Brand | KMC |
|---|---|
| Model | 306102 |
| Type | 12 Speed eBike Chain |
| Specification | E12 |
| Weight listed | 272 Grams |
|---|---|
| Item length | 65 Inches |
| Pitch | 0.5 inches Inches |
| Roller diameter | 0.5 Inches |
| Strand type | Double |
| Link count | 130 Links |
| Pin length | 5.2 mm |
| Material listed | Other |
|---|---|
| Colour | Dark Silver |
| Coating | EcoProTeQ coated |
| Recommended use | e-bikes |
|---|---|
| Compatible drivetrains | 12x Campagnolo, Shimano and Sram MTB |
| Not compatible with | Sram road groups |
What to know before buying
Listing details to confirm
Listing details are contradictory or inconsistent: the item length is given as 65 Inches while the description specifies 130 links, and compatibility is broadly described as all 12-speed drivetrains but separately excludes SRAM road groups. Confirm chain length and exact drivetrain fit before purchase. The 10 Kilogramm load capacity and 0.5-inch pitch values also appear in the listing without clear context.
What’s in the box
Included- 12-speed chain
- Joining link
Who is it for?
A good fit for
- E-bike owners replacing a 12-speed chain who have confirmed their drivetrain is compatible.
- Riders with listed Campagnolo, Shimano or SRAM MTB 12-speed setups who want an e-bike-specific chain claim and a corrosion-protection coating.
Less suited to
- Riders with SRAM road groups, which the listing says are incompatible.
- Buyers who cannot confirm their drivetrain and required chain length from the listing details.

Customer reviews on Amazon
- 5 stars
79% 79% - 4 stars
12% 12% - 3 stars
2% 2% - 2 stars
1% 1% - 1 star
6% 6%
Aggregate ratings are mostly five-star, but a smaller share are one-star, so the overall pattern is favourable with some notable dissatisfaction. Ratings alone do not explain the reasons. For a chain whose fit depends on drivetrain type and chain length, confirm those details rather than treating the rating distribution as evidence of compatibility.
Frequently asked questions
Will this chain fit a SRAM road drivetrain?
The listing explicitly says it is not compatible with SRAM road groups because of a pin-length difference.
Which drivetrains does the listing say it supports?
It names 12-speed Campagnolo, Shimano and SRAM MTB drivetrains. Confirm compatibility with your exact setup before buying.
Does the listing specify chain length clearly?
No. It lists an item length of 65 Inches and separately describes 130 links, so verify the required length for your bike.
Is a joining link included?
The included-components field lists a 12 Speed Chain & Joining Link.


























