Well things developed fast! The Praxis eCrank arm sets are for new Specialized SL 1.1 motor with the Praxis M30 Spindle/Spline. The Road version is for Specialized “Creo SL” family of eBikes.
Features:
- Carbon Fiber arms.
- For Specialized eBikes with “SL 1.1” motor using Praxis M30 spindle/spline.
- Road Version for Specialized Creo SL family of bikes.
- M30 Alloy main crank bolt with self-extractor.
- 8 mm Allen for Install/Removal.
- 50 Nm torque.
- Weight: 340 g (Road 172.5 mm).
Compatibility:
- Motor: Check your Specialized motor spindle type. These carbon eCranks are made for Specialized eBikes with “SL1.1” motors with M30 spindle interface. (See spindle picture above).
- Main bolt: The “M30/SL” eCranks with M30 spline use Praxis’ M30 alloy Main bolt/Self extractor.
- Qfactor: All eBike motors have different width spindles and this directly affects the Qfactor when the crank is installed. Q = 182 mm (when installed on Creo SL family of bikes).
References:
- EC-M30RD-165C: Road 165 mm M30/SL.
- EC-M30RD-170C: Road 170 mm M30/SL.
- EC-M30RD-1725C: Road 172.5 mm M30/SL.
- EC-M30RD-175C: Road 175 mm M30/SL.
MORE INFORMATION
Download the manual in PDF format
| Crank length | 170 |
| Material | Carbon |
| Spindle | Praxis M30 30-28 mm |
| Crank Standard | Praxis M30 30-28 mm |
| Included BB | No |
| Q-factor | 182 |
| Rings Compatibility | Mono |









Reviews
There are no reviews yet.