wow! features of the freerider stroller board: 

• attaches via a connector that fastens to the rear axle of your buggy for buggy board mode 
• quick release button attaches/detaches buggy board from connector
• connector can be positioned anywhere on the rear axle at pusher's preference
• 2-mode rear wheel castor - swivel for using as a stroller board to follow the buggy in any direction and fixed straight for scooting
• rear wheel brake for using in scooter mode
• skateboard style truck steering - safe for little ones
• grip pad - anti slip surface on the deck
• clip in handle bar that can be taken off for folding up the back of the buggy
• toggle to fasten board up the back of the buggy out of the way

what's in the box:

• freerider base with 3x wheels
• removable handle
• toggle 

tech specs:

• L56cm x W21cm
• handle bar height: 68cm
• weight: 2.2kg
• maximum weight capacity of 20kg
• video instructions>

compatibility:

• connector 2  (sold separately) attaches freerider to:
  • 2016+ model sport & sport v1 & v2
  • 2015+ model dash
  • voyager
  • navigator
  • dot
  • 2014+ model vibe
  • verve (any version)
  • s4
  • classic
  • hammerhead
  • explorer 
  • Mountain Buggy nano
  • Bugaboo Cameleon
  • BOB Revolution (not compatible with CE versions)
  • Britax StriderPLUS
  • Easywalker Duo 
  • Ou'N'About nipper double 360
• connector 1  (sold separately) attaches freerider to:
  • Mountain Buggy cosmopolitan
  • Mountain Buggy mini
  • Mountain Buggy swift
  • Mountain Buggy urban jungle
  • Mountain Buggy terrain (with swivel front wheel)
  • Mountain Buggy +one
  • Mountain Buggy duet
  • Mountain Buggy duo 
• connector 3  (sold separately) attaches freerider to:
  • Baby Jogger City Mini (not compatible with City Select or City Mini GT)