Topeak DynaWedge Bicycle Saddle Bag - Micro Used by both professional and amateur riders alike Made using high quality materials and components Tested to ensure quality and durability Molded construction is light, water repellent and aero dynamic Holds tube, tools and other small repair items Easily mounts to saddle rails with straps and seat post with rubber strap Capacity .35L 5.5"x1.8"x4.1" Weight 66 grams