This is the 2019+ rear differential found in Renegades and Outlanders 650 and larger This has the 6 inch (155mm) ring gear with straight cut teeth as shown. It will fit g2 bikes (500/650/800/1000) if you are upgrading you will need to shorten your shaft 1.75? or buy a kit from us, please see our other listings. (G1 bikes will require further modifications to work). This has a provision for an abs sensor, but will fit bikes without a rear diff sensor BRP claims 25% increase in load capacity on this gear set vs the spiral cut xmr final drive units (rear differentials) from 13-18 models. Pinion spline count 20 Current part number 705502808