Freerider connector 1 is compatible with:

• current model Mountain Buggy cosmopolitan, MB mini, swift, urban jungle, terrain, +one, duo and duet buggies
• pre-2010 model Mountain Buggy strollers with swivel front wheels including swift, urban, urban elite, double urban and double urban elite 

Specifications

Dimensions & Weight

• 5.9 x 5.5 x 2.5 inches
• 14.4 ounces