Polisport's Performance Chain Guide was developed and refined for Off-road use and will withstand the all the rigors of extreme riding. The chain guide is made in two different parts outer shell and wear pad which will allow you an easy installation without removing the chain. The outer shell is tough and impact resistant, while the wear pad is produced in a different compound especially to endure long periods of use. All these parts are replaceable.FEATURES High impact resistant outer shell Wear pad with exceptional performance and durability Extra long design increases the efficiency of the chain guide feeding 2 piece chain guide, can be mounted without removing the chain Developed and perfected for off-road use Outer shell and wear pad are sold separately All the hardware to install included Polisport exclusive design Available in black and brand colors Fits: BETA RR125 2T 2019-2021 RR125 2T RACING 2021 RR200 2T 2019-2021 RR200 2T RACING 2021 RR250 2T 2010-2021 RR250 Racing 2T 2017-2021 RR300 2T 2013-2021 RR300 Racing 2T 2017-2021 RR350 4T 2010 2012-2017 2019 RR350 4T EFI 2020-2021 RR350 Racing 4T 2017-2021 RR390 4T 2015-2019 RR390 4T EFI 2020-2021 RR390 RACING 4T EFI 2021 RR400 4T 2010-2014 RR430 4T 2015-2019 RR430 4T EFI 2020-2021 RR430 Racing 4T 2017-2018 RR450 4T 2010-2014 RR450 4T CROSS COUNTRY 2012-2013 RR480 4T 2015-2017 RR480 4T EFI 2020-2021 RR480 Racing 4T 2017-2021 RR498 4T 2010-2014 RR520 4T 2010-2011