Wolf Tooth B-RAD TekLite Roll-Top Bag and Mounting Plate – 0.6L Black. Wolf Tooth B-RAD Tek-Lite Roll-Top Bags offer extra cargo space for carrying riding essentials on your frame. These bags are crafted from the lightweight water-resistant and durable Tek-Lite material and have sealed seams that will protect bag contents from water dirt and other road/trail debris.