# ThinGap LSI 75-20 Slotless Motor Kit

![ThinGap LSI 75-20 Slotless Motor Kit](https://parts.trymaglev.com/img/mo-thingap-lsi-75-20.webp)

Zero-cogging slotless ring kit, 75 mm OD with 52 mm through hole, for precision robot joints, gimbals and optics.

- Maglev ID: mo-thingap-lsi-75-20
- Brand: ThinGap (Allied Motion)
- MPN: LSI 75-20
- Category: motors / Frameless BLDC Torque Motors
- Origin: US (maker HQ, factory not confirmed)
- Maker: ThinGap (Allied Motion) (brand, US)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.40.00 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Peak torque: 2.34 Nm (1 s); 1.45 Nm (3 s)
- Continuous torque: 0.63 Nm at max speed (datasheet); 0.66 Nm on series page
- Outer diameter: 75 mm
- Axial length: 20 mm axial height
- Voltage: 108.2 Vpk l-l at max speed (WYE series); 54.1 V WYE parallel
- Mass: 258 g part set (rotor 170, stator 88)
- Through hole: 52 mm
- Max continuous speed: 2500 rpm
- Cogging: zero (slotless)

## Links
- Product: https://www.thingap.com/ls-series/
- Datasheet: https://www.thingap.com/wp-content/uploads/2026/02/LSI-75-20-Datasheet-Rev-H.pdf
- CAD: https://www.thingap.com/wp-content/uploads/2020/03/VirtualAssembly_075-020.step

## Equivalents
- TQ-RoboDrive ILM70x10 Servo Kit (mo-tq-robodrive-ilm70x10)

## Works with
- Elmo Gold Whistle 20/100 Servo Drive (mo-elmo-gold-whistle-20-100)
- Copley Accelnet Micro Module ACK-090-08 (mo-copley-ack-090-08)

## Sources
- https://www.thingap.com/ls-series/ (LS series table, STEP link)
- https://www.thingap.com/wp-content/uploads/2026/02/LSI-75-20-Datasheet-Rev-H.pdf (datasheet Rev H: full specs)