GBoost RR4EXB – EXTREME RHINO ROLLER™ KIT – Can-Am/Ski-Doo – 2 Rollers per pkgRHINO ROLLER Kit 2 Pack Driven Clutch Upgrade Description EXTREME Rhino Rollers: Built to withstand the harshest environments and extreme shock load. These ARE the Worlds Best Secondary Rollers on the market! Massive amounts of mechanical Strength coming in at 16,000 (psi) of Tensile Strength Extreme dimensional stability using tighter tolerances on the CNC Machine compared to OEM Enhanced compressive strength and stiffness, Inherently good wear, and