Tire Tube STI TR-6 TECH 2 HD

STI Motorcycle Tubes are strong, stronger, strongest. At 2mm thick, the “Heavy Duty” model is 50 percent thicker than most standard tubes on the market today.

90/100-16 is for 16'' Aftermarket Rim

70/100/17 is for 17'' Aftermarket Rim

100/100-18 is for 18'' Aftermarket Rim

70/100-19 is for 19'' Original Rim (OEM) 

100/90-19 is for 19'' Wide Tire

80/100-21 is for 21'' Aftermarket Rim