STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) Royal Days INCLUDE Sold in packs of 10

Sold in packs of 10

Can be stacked with a performance ECU reflash tune to continue fine tuning your throttle feel

Roto-molded for even wall thickness

6 miles (900 m) in open terrain and supports up to 4 riders

The small Link It Up rack is not recommended for carrying a pair of skis and poles on one side of the rack

STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) Royal Days INCLUDE Sold in packs of 10At 2mm thick, the Heavy Duty model is 50 percent thicker than most standard tubes on the market today. The Extreme Duty butyl rubber uses a 3mm spec, making it 30 percent beefier than most heavy duty tubes now available. The Ultra Duty tubes utilize a nearly bombproof 4mm thickness.