BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | ATV/UTV BELTS, CHAINS & SPROCKETS 720 RK MAX SERIES DRIVE CHAIN (CONT) CHAIN SPECIFICATION CHART SIZE AND TYPE AVG. TENSILE STRENGTH (LBS.) MAXIMUM ENGINE CC SIZE STREET/DIRT MAX-O 520 8,500 800/650 525 9,300 900/750 530 9,700 1,000/750 MAX-X 520 9,000 1,000/750 525 9,300 1,100/900 SIZE AND TYPE AVG. TENSILE STRENGTH (LBS.) MAXIMUM ENGINE CC SIZE STREET/DIRT MAX-X (CONT) 530 9,700 1,100/900 MAX-Z 520 9,400 1,200cc dirt 525 10,420 1,300cc dirt 530 11,200 1,400cc dirt CONNECTING LINKS DESCRIPTION COLOR PART # 520 MAX-O Clip connecting link Natural 1225-0402 Clip connecting link Gold 1225-0403 Rivet connecting link Natural 1225-0404 Rivet connecting link Gold 1225-0405 525 MAX-O Clip connecting link Natural 1225-0406 Clip connecting link Gold 1225-0407 Rivet connecting link Natural 1225-0408 Rivet connecting link Gold 1225-0409 530 MAX-O Clip connecting link Natural 1225-0410 Clip connecting link Gold 1225-0411 Rivet connecting link Natural 1225-0412 Rivet connecting link Gold 1225-0413 520 MAX-X Clip connecting link Natural 1225-0414 Clip connecting link Gold 1225-0415 Clip connecting link Nickel 1225-0416 Rivet connecting link Natural 1225-0417 Rivet connecting link Gold 1225-0418 DESCRIPTION COLOR PART # 525 MAX-X Clip connecting link Natural 1225-0420 Clip connecting link Gold 1225-0421 Clip connecting link Nickel 1225-0423 Rivet connecting link Natural 1225-0422 Rivet connecting link Gold 1225-0424 Rivet connecting link Nickel 1225-0425 530 MAX-X Clip connecting link Natural 1225-0426 Clip connecting link Gold 1225-0427 Rivet connecting link Natural 1225-0429 Rivet connecting link Gold 1225-0430 Rivet connecting link Nickel 1225-0431 520 MAX-Z Rivet connecting link Gold 1225-0434 Rivet connecting link Chrome 1225-0435 525 MAX-Z Rivet connecting link Gold 1225-0436 Rivet connecting link Chrome 1225-0437 530 MAX-Z Rivet connecting link Gold 1225-0438 Rivet connecting link Chrome 1225-0439 NO. OF LINKS 520XRE PART # GB520XRE PART # 100 1223-1852 - 104 1223-1854 - 106 1223-1855 - 108 1223-1856 - 110 1223-1857 1223-1864 112 1223-1858 1223-1865 NO. OF LINKS 520XRE PART # GB520XRE PART # 114 1223-1859 - 116 1223-1860 1223-1866 118 1223-1861 - 120 1223-1862 1223-1867 Clip connecting link 1225-0813 1225-0815 Rivet connecting link 1225-0814 1225-0816 XRE (XW-RING) LIGHTWEIGHT HIGH PERFORMANCE •Ideal for OE replacement of mid-size motorcycle •Lightweight and durable chain provides quick and smooth acceleration •Designed with cutting edge technology from various on-road and off-road racing • RK’s original double-X-shaped “XW-Ring” seal provides exceptionally long chain wear-life • 520XRE tensile strength of 8,200 lbs. and maximum 800cc
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