SPECIFICATIONS | |
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INTRUCTIONS | ⚠️ VIEW MANUAL HERE |
E-CRANK CARBON | CARBON E-CRANK for Brose, Fazua R50 or TQ |
BUY THIS IF : | You have an eBike with either a Brose, Fazua R50, or TQ motor and want a Carbon eCrank |
MOTOR | BROSE -With steel ISIS spline spindle FAZUA R50 -With steel ISIS spline spindle TQ -With steel ISIS spline spindle |
MATERIAL | Left & Right arm set | Carbon Fiber | Rubber protective boots |
AVG. WEIGHT | 380g (165mm w/boots) 415g (172.5mm w/boots) |
Q-Factor | All eBike motors have different width spindles and this directly affects the Qfactor when the crank is installed. These are the Qfactors when you install this crank on these motors : Q = 186mm : "Wide" installed on BROSE motor Q = 171mm : "Wide" installed on FAZUA R50 motor Q = 171mm : "Wide" installed on TQ motor Q = 178mm : "Road/Narrow" installed on Brose motor Q = 163mm : "Road/Narrow" installed on Fazua R50 motor Q = 163mm : "Road/Narrow" installed on TQ motor |
MAIN BOLT | 8mm AL main crank bolt for Install/Self-Extract | 50Nm torque
Our eCranks with ISIS Spline use our replaceable M24 alloy Main bolt/Self extractor |
VIP NOTE | VIP – Do NOT order this crank if you own a Specialized Levo/Kenevo/Vomo/Vado. If you have a Specialized e-bike with steel ISIS spline spindle then GO HERE. |




Praxis warrants components to be free from defects in materials or workmanship for a period of 2 years after original purchase to the original owner. However, there are limitations such as normal wear and tear…as “nothing lasts forever” so please read our full Warranty Page.

PROCESSING – Orders placed after 12:00pm M-F are processed/shipped the next business day. Please note we only deliver orders to physical mailing addresses within the United States, and cannot ship to PO boxes, APO or FPO. Also, any orders placed over a weekend or holiday will be processed and shipped the next business day.
30 DAY / RETURNS – At Praxis, we are a core group of riders that believe you should be completely satisfied with the purchase you have made. Should an item purchased through the Praxis Online Store fail to meet your expectations, we will gladly accept its return within 30 days of original purchase date. WEB RETURNS