Bar Fly Prime GoPro Compatible Base The center of your computer

The center of your computer will sit in the center of the stem cap

M5 Pivot Screw

The Race Flipper bolts directly to a stem mounted base

ADAPTER SOLD SEPARATELY) : MEGA XL

Bar Fly Prime GoPro Compatible Base The center of your computerThe BAR FLY PRIME GoPro Compatible Base holds your camera or light to your aluminum BAR FLY Bike Mount. The included Polarity Adapter allows you to thread into Left Right holes when Up Down polarity is in use. Included: Aluminum Polarity Adapter Nylon Prime Base M5 Pivot Screw M4 Mount Screws (X6) Fits the following Bar Fly Models: 4 Prime Race Mini Race Spoon Race MTB Race Flipper Prime Direct 1 Prime Direct 2