Siren Bicycles Sierrita 2010 Mountain Bike Frame
Siren Bicycles shows us a preview of the Sierrita 2010 Mountain Bike frame, and since they are almost done with the prototype, we can expect the frames to release sometime soon. The Siren Bicycles Sierrita 2010 Mountain Bike Frame features a drop bar fit, followed by the geometry which will cater to you over different terrains including dirt trails and urban areas. Lastly, the chainstay length, bottom bracket, head and seat angles help the frame for versatility. Check below for more images.