Stigma Rotary Excenters are designed to be used with the Bizarre, Fly, Beast and Prodigy. All excenters are made according to specific specs and are machined with the same meticulous detail as Stigma rotary machines.

Long Excenter will provide the following strokes on the machines listed below:

* Beast: 4.4mm
* Prodigy:4.4 – 5.5mm
* Bizarre V2: 4.4 – 5.5mm
* Fly: 4.4 – 5.5mm

Short excenter will provide the following strokes on the machines listed below:

* Beast: 2.6mm
* Prodigy: 2.8 – 3.6mm
* Bizarre V2: 2.6 – 3.4mm
* Fly: 2.6 – 3.4mm

The Adjustable excenter will only work with Beast and Prodigy

* Beast: 2.5 – 4.7mm
* Prodigy: 2.5 to 6mm

Product code: SR09, SR11, SRXX, STGAEX

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Stigma Rotary Machines Excenters

Stigma rotary machines offer 3 different excenters that will change the stroke. The excenter is the cam that is on the front of the motor that connects to the shaft that powers the needle bar. There are a total of 3 different excenters available: short, medium and long. Each version will change the Stigma into a short, medium or long stroke. The medium version will cause a 3.5mm stroke minimum to 4.4mm stroke maximum, this is the default one for Bizarre V2. The short version will cause a stroke of 2.6mm to 3.4mm and the long version will cause a stroke of 4.4mm to 5.5mm.

Changing the Excenter

Changing the excenter is easy to do with little to no experience in taking machines apart. The Bizarre comes with the hex wrench allan key which will allow you to unscrew the fastening bolt that holds down the piece. Simply loosen the bolt until you can remove the wheel and replace it with the excenter you want. Re-fasten the bolt so that it is tight but do not force it or you may strip the screw threading.