EXTREMLY LOW 6 HRS HONDA QUAD BIKE FOR SALE. LIKE NEW Honda?s Independent Rear Suspension (IRS) uses a double-wishbone design with upper/lower A-Arms to substantially reduce unsprung weight; making the TRX420FA6 with IRS, a mode for comfort and durability. An all-new frame featuring our new independent dual-arm rear suspension design increases confidence and all-day comfort. New independent double-wishbone front suspension gains an additional 15mm of travel and the independent dual-arm rear suspension design offers a more optimal shock ratio and increased suspension stroke for a gain of 46mm of travel. All-new double-cradle steel frame developed with Computer Aided Engineering features increased stiffness(up 20 percent) for even more precise handling and a smoother ride. New dual-purpose lever makes it easier than ever to engage Reverse gear as well as setting the parking brake. Simply pull the lever to engage Reverse; push the lever to set the parking brake. Honda TraxLok? 2WD/4WD system offers two drive modes: 2WD and 4WD with TraxLok? torque-sensing front differential.