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Nucleus ISIS Ebike Cranks – 155mm – Silver-Black
Compliment the form and function of your ride with the premium full CNC Nucleus ISIS ebike cranks. Take your riding experience to the next level.
$360.00
Availability: 3 in stock
Lekkie Nucleus ISIS Ebike Crank
11 Years of Design. One Defining Crank.
To celebrate 11 years of precision engineering, Lekkie introduces its most refined creation yet — the Nucleus Crank.
Born from the fusion of computer intelligence, human artistry, and precision CNC machining, the Nucleus crank is the result of over a decade of industrial design experience and a will to make the very best ebike parts possible.
Using advanced topology optimization, (optimizes forms for maximum strength) every curve and surface has been shaped for maximum strength and minimum weight.
The result is a crank that is very strong and uses minimum width, optimizing the Q factor or width of your pedals.
Backed by intensive computer analysis, cyclic machine testing and real-world testing, the Nucleus Crank delivers reliability, efficiency and lifts the overall aesthetics and quality of your bike.
The Nucleus ISIS crank set is designed specifically to fit the latest ISIS drive production motors. With an optimal offset, the q-factor is set to meet industry standards and work with a variety of ISIS motor systems.
Crank length of 155mm.
| Compatibility | DJI Avinox, Bosch Performance Line CX (Gen 4/5), Brose Drive-S, Yamaha PX-X2, Yamaha SyncDrive PRO, TQ HPR50, CYC Photon |
| Material | 7050 T6 Aluminum, CNC machined |
| Finish | Anodized silver crank arm with black V3.1 extractor and black bolt |
| Length | 155mm |
| Offset | 36mm overall, 176mm Q-factor (Avinox), 176mm Bosch Performance Line CX (Gen 4/5) |
| Drive | ISIS spline |
| Weight | 530g pair |
| Version | V1.0 Released 2025. |
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Frequently Asked Questions
Q. Will these fit my motor system?
A. Check if your motor is listed in the product specification, or search using the by system menu.
If you can not find your motor system contact Lekkie so we can help.
Q. Why should I choose a long or a short crank length?
A. In general if you are a smaller person you would have shorter crank lengths. For E-bikes shorter cranks can also increase ground clearance and enable higher pedal cadences.
You generally do not need the increased leverage a long crank provides with e-bikes.
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LEKKIE Warranty
We want you to always be happy with your Lekkie product.
If you receive your product and there is a problem, contact us and we will work with you to quickly put it right.
If your Lekkie product fails within one year of fitting, we will evaluate the failure cause and in most cases, replace your part.
If your product fails at any time during its life, we want to know what happened so we can improve our future models. We will also help you choose a new product and bike set up to get the best out of your Lekkie components.
If you have had years of great performance with your Lekkie product and could not be happier when it finally wears out, share your story and we will give some love back with a discount on your new parts.
Full warranty terms here.
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