page_title: Giubo
hierarchical_section_title: Giubo
caption_attribution_description: English: Rubber donut joint (aka giubo) on the right hand rear driveshaft of a 1960's Matra MS7 formula 2 race car on display on the Musee Matra in Romoratin, France.
context_page_description: A giubo, also known as a flex disc, and sometimes misspelled as guibo, is a flexible coupling used to transmit rotational torque between the drive shaft and the companion flange on mechanical devices, such as an automobile engine.
  The giubo is made from flexible synthetic rubber and is designed to allow some angular and axial misalignment while reducing driveline vibration in mechanical power transmission applications.
context_section_description: A giubo (/ˈdʒuːboʊ/ JOO-boh; etymology: giunto Boschi, "Boschi joint"), also known as a flex disc, and sometimes misspelled as guibo, is a flexible coupling used to transmit rotational torque between the drive shaft and the companion flange on mechanical devices, such as an automobile engine.
  The giubo is made from flexible synthetic rubber and is designed to allow some angular and axial misalignment while reducing driveline vibration in mechanical power transmission applications.
caption: A driveshaft coupling. Note the split damage beginning to appear, likely due to the large axial displacement.
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