Can-am Defender 6" Portal Gear Lift Portal Gear Reduction:60% They give you the most

They give you the most strength possible

Semi-Synthetic 4-stroke engine oil

Our 9310 alloy steel gears make these the most top-of-the line gears you can get

Designed to fit most FULL SIZE MX bikes

Can-am Defender 6" Portal Gear Lift Portal Gear Reduction:60% They give you the mostDual idler gear configuration maximizes strength Available with billet or cast aluminum housing Cool, quiet, precision ground gears made from 9310 alloy billet steel Increases width by 4 in. per side (8 in. total) 1. 5 in. diameter 4340 hardened steel drive shaft Housings use Thermo Tork gaskets or O rings that dont let anything through Universal hub fits all major bolt patterns Gear reduction reduces stress on your drivetrain Dual idler gear