Lekkie Nucleus ISIS Ebike Cranks – 155mm – Black-Red
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Product Description
Premium CNC cranks for ISIS-drive e-bike motors
Factory e-bike cranks get the job done, but they're rarely light, stiff or good looking. The Lekkie Nucleus is a premium full-CNC crank built for the latest ISIS-spline mid-drives from DJI, Bosch, Brose, Yamaha, TQ and CYC.
Lekkie used topology optimization, computer analysis that puts material only where it's needed, to shape every surface for maximum strength at minimum weight. It was then validated with cyclic machine testing and real-world riding. The result is a strong crank with a slim profile that keeps your Q-factor (the distance between your pedals) narrow and comfortable.
Why riders upgrade
- Light and strong: 530g for the pair, machined from high-strength 7050 T6 aluminum.
- Narrow Q-factor: 176mm on DJI Avinox and Bosch Performance Line CX (Gen 4/5).
- Self extractor: red V3.1 extractor for easy crank removal.
- 155mm length: shorter cranks give better pedal clearance on technical trails and a quicker spin.
Specifications
| Fits | DJI Avinox, Bosch Performance Line CX (Gen 4/5), Brose Drive S, Yamaha PW-X2, Yamaha SyncDrive Pro, TQ HPR50, CYC Photon (including Photon Gen 2 and Photon Pro) |
| Material | 7050 T6 aluminum, CNC machined |
| Finish | Anodized black arms, red V3.1 extractor, black bolt |
| Length | 155mm |
| Offset / Q-factor | 36mm overall offset; 176mm Q-factor on DJI Avinox and Bosch Performance Line CX (Gen 4/5) |
| Interface | ISIS spline |
| Weight | 530g (pair) |
| Version | V1.0, released 2025 |
Not sure it fits your motor? Send us your bike and motor model and we'll confirm before you order.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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