KT D12L (SM)
Options
12-magnet split disc PAS sensor with 12-signal output for the most responsive cadence detection available in a clip-on design. The two-piece magnet disc clips around the bottom bracket spindle without crank removal, and the sensor module mounts to the frame with zip ties. 12 pulses per revolution provides fast motor engagement and smooth assist transitions. Compatible with KT and most generic e-bike controllers. Available in left-mount (D12L) configuration.
In brief: Cadence pedal assist sensor. 12 pulses per revolution. From $12.
Specs verified Aug 4, 2026
Where to Find
Prices tracked across 1 seller* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Current best price $11.73. Over the past 90 days: low $11.73, high $12.42, average $12.35 — down 5% vs average.
- AliExpress - ZYHENG Official Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - ZYHENG Official Store(5 records) | |||||||||
| Aug 4, 202607:52 AM | $11.73 | $1.99 | $13.72 | $0.63 | — | — | — | Yes | active |
| Jul 21, 202607:52 AM | $12.36 | $1.99 | $14.35 | $0.07 | — | — | — | Yes | active |
| Jul 8, 202607:55 AM | $12.29 | $1.99 | $14.28 | $0.09 | — | — | — | Yes | active |
| Jun 26, 202607:48 AM | $12.38 | $1.99 | $14.37 | $0.04 | — | — | — | Yes | active |
| Jun 11, 202607:50 AM | $12.42 | $0.00 | $12.42 | Initial | — | — | — | Yes | active |
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Specifications
Specifications
- Sensor Type
- Cadence
- Pulse Count
- 12
Physical
- Weight
- 100 g
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | PAS Signal |
