A roost that rules! You love giving passengers a ride on your Mundo or Boda Boda. Our Hold On kit gives them something to love too: a strong and steady handlebar that will help them be safe and secure while perched atop the bike's platform. The Hold On is simple and quick to install. All you'll need is an allen key. -Stem: 31.8 for handlebar 25.4 (v3.0 to v4.2 bikes) -Color, size, and length are subject to change based on availability ****compatible with Boda Boda with shim - shim included when shipped with a Boda Boda. Otherwise please indicate it is for a Boda Boda in your message.