More share buttons
Share with your friends

Get it now!

In: Original MagneticDays spare parts

JARVIS Freewheel Lock


Freewheel lock system for using fixie track frames on JARVIS smart trainers
The correct functioning is guaranteed by the mandatory use of Shimano Cassette Sprocket bigger than 28.

Standard equipment for MD JARVIS and compatible with JARVIS Light. Not compatible wiith old MD smart trainer models.

Sfoglia la lista dei desideri

Quick lock/unlock of freewheel in ruota libera in anodized aluminum

* It’s necessary a 5 mm allen key for assembling

Compatible with smart trainer models

  • MD JARVIS Light

Freewheel lock

Allen head screws