DID Motocross Chain - Made in Japan Don't settle for anything less. Used by Ryan Villopoto to win 4 AMA SX titles All D.I.D 'ER' chains are designed exclusively for racing. 520ERT3 is used by the top factory SX and MX Teams to win races. 520MX chain has higher tensile strength for maximum performance and is ideal for muddy and sandy conditions. 520VT2 for offroad applications where a sealed chain is preferred, D.I.D's 520VT2 X-Ring chain provides excellent low friction high performance. D.I.D's exclusive SDH pin treatment is featured on the 520ERT2, 520 MX, 520DZ and all NZ Series chains. Fits: Honda CR80RB 1997-2002 Husqvarna TC 85 2023 TC 85 BW 2023 TC85 Big Wheel 2014-2021 TC85 Small Wheel 2014-2021 KTM SX 85 2023 SX 85 BW 2023 Kawasaki KX112 2022 Yamaha AG125 2017-2021 TW200 1995-2012 YFM125R RAPTOR 2010-2013