Outer diameter: 29". Size: (HE) 29 x 1.9/2.3. AV/40mm. The BBB tube uses a specially mixed synthetic butyl rubber, which has extremely low air leakage and is durable. It has excellent performance and can be used for a long time.Attach it to a compatible rim and tire, and
Product model number: 2.977.338.901 Color: Black Size: 29X1.9/2.3 40mm Material: Butyl rubber Wheel size: 29 inches Batteries included or built in: No Capacity: 1 unknown modifier Package size: 16.6 x 10 x 6.8 cm; 250 g
