The MY22 Spark headset is unique, it has several set up variables:

Headset indication and orientation, it is important to have the headset installed correctly depending on the setup. There are two types, 0° and 0.6°, these can be identified from the stamp on the inner surface of the headset cup. 

For Spark 

• Small & Medium - 90mm
• Large - 105mm
• X Large - 115mm 

For Genius 

• Small - 90mm
• Medium - 105mm
• Large - 115mm
• X Large - 135mm