Kestrove Drive Systems
See our 2027 e-bike drive parts at Hall 8, Booth B21
Hub motors, seat-tube batteries, and alloy frames are on the stand all four days. Book 20 minutes with an engineer before you arrive.
01 / Products
On the stand
AF-7 alloy frame
6061 aluminum frame with internal cable routing and a hub-motor dropout.
- Sizes S · M · L
- 1.9 kg (M)
- Hub or mid-drive
SB-360 seat-tube battery
A 36 V pack that slides inside the seat tube and keeps the frame lines clean.
- 36 V · 360 Wh
- 2.1 kg
- Key lock
HM-250 rear hub motor
Geared hub motor with a cassette body for city and trekking bikes.
- 250 W rated
- 45 N·m
- 2.6 kg
MD-90 mid-drive motor
Mid-drive unit with a torque sensor, shown for the first time at this show.
- 250 W rated
- 90 N·m
- 3.1 kg
C2 controller and display
Bar-mounted display with five assist levels and setup over Bluetooth.
- 5 assist levels
- USB-C charging port
Key figures
Show facts
B21
booth in Hall 8
4
on the stand, 9:00–18:00
12
new parts on display
20
meetings with our engineers
02 / Specifications
Drive specs
| Model | Type | Rated power | Torque | Weight |
|---|---|---|---|---|
| HM-250 | Rear hub | 250 W | 45 N·m | 2.6 kg |
| MD-90 | Mid-drive | 250 W | 90 N·m | 3.1 kg |
| SB-360 | Battery | 36 V · 360 Wh | — | 2.1 kg |
| AF-7 | Frame | — | — | 1.9 kg (M) |
03 / Use cases
Bikes built on our parts
Cargo bike builder
A small cargo-bike brand pairs our MD-90 with its own steel frame and ships 1,200 bikes a year.
City rental fleet
A rental operator runs 800 bikes on HM-250 motors and swaps SB-360 packs at its depots.
04 / FAQ
Visiting the booth
Can I take samples home from the show?
Display units stay on the stand. We ship evaluation samples within two weeks after the show.
Do I need to book a meeting?
Walk-ins are welcome. A booked meeting gets you a quiet table and an engineer for 20 minutes.