Its an intelligent and economical concept for comfortable cycling. The air in the tire acts as a natural suspension. The Big Ben balloon tire was developed specifically to utilize this effect. Inflated to 2 bar it rolls easily and absorbs impacts, acting like a full suspension bike. Besides which
Cycle tube. Features: Made mainly from butyl rubber by process of hot forming. It has extremely high air stability and flexibility. The valve is equipped with a thread and a nickel-plated surface. Size: 27.5x2.10/3.00. FV valve with length 40mm. Weight: 200g. | Valve Length (mm): 40.0 | Width: 2,1 -