BOLD MAGENTA part numbers are new for 2026 CHAINS & DRIVE BELTS PARTS-UNLIMITED.COM STREET | 2026 1065 NO. OF LINKS COLOR PART # 520 SRX2 98 Natural 1223-0640 104 Natural 1223-0624 106 Natural 1223-0625 108 Natural 1223-0626 110 Natural 1223-0627 112 Natural 1223-0628 116 Natural 1223-0630 118 Natural 1223-0631 120 Gold 1223-0621 120 Natural 1223-0632 130 Gold 1223-1505 130 Natural 1223-1506 150 Gold 1223-1503 150 Natural 1223-1504 160 Natural 1223-1502 Clip connecting link Gold 1225-0287 Clip connecting link Natural 1225-0283 Rivet connecting link Gold 1225-0288 Rivet connecting link Natural 1225-0285 NO. OF LINKS COLOR PART # 525 SRX2 110 Natural 1223-0642 120 Gold 1223-1559 120 Natural 1223-0643 122 Natural 1223-0691 130 Gold 1223-0641 130 Natural 1223-0644 150 Gold 1223-1508 150 Natural 1223-1509 160 Natural 1223-1507 Clip connecting link Gold 1225-0269 Clip connecting link Natural 1225-0286 Rivet connecting link Gold 1225-0270 Rivet connecting link Natural 1225-0284 530 SRX2 104 Natural 1223-0648 110 Natural 1223-0651 112 Natural 1223-0652 114 Natural 1223-0653 116 Natural 1223-0654 NO. OF LINKS COLOR PART # 530 SRX2 (CONT) 118 Natural 1223-0655 120 Gold 1223-0645 120 Natural 1223-0656 130 Gold 1223-1514 130 Natural 1223-0657 150 Gold 1223-1512 150 Natural 1223-1513 160 Gold 1223-1510 160 Natural 1223-1511 Clip connecting link Gold 1225-0271 Clip connecting link Natural 1225-0280 Rivet connecting link Gold 1225-0272 Rivet connecting link Natural 1225-0281 SPECIFICATIONS CHAIN TYPE TENSILE STRENGTH (LBS.) WEAR LIFE INDEX WEIGHT PER 100 LINKS (LBS.) MAX ENGINE CC STREET/DIRT CONNECTING LINK TYPE 520 8,500 1,500 3.46 750/650 Clip/rivet 525 9,000 1,500 4.10 1,000/750 Clip/rivet 530 9,000 1,500 4.32 1,000/750 Clip/rivet SRX2 SERIES CHAINS •For competition and OEM replacement •Excellent value for any street machine • Features lightening holes, reduced friction and Quadra X-Ring design, which increases chain life from 1.5 to 2 times longer than a standard O-ring chain •520 SRX2 chains come with clip-type master link •525/530 SRX2 chains come with screw-type master link Gold Natural NO. OF LINKS COLOR PART # 420 SRO 120 Natural K420SRO-120 132 Natural K420SRO-132 Clip connecting link Natural K18-5259 428 SROZ 120 Natural 1222-0069 130 Natural 1222-0070 136 Natural 1222-0185 Clip connecting link Natural 1225-0030 520 SRO6 86 Natural 1222-0582 88 Natural 1222-0583 92 Natural 1222-0584 94 Natural 1222-0585 96 Natural 1222-0586 98 Natural 1222-0587 100 Natural 1222-0588 102 Natural 1222-0589 104 Natural 1222-0590 106 Natural 1222-0591 108 Natural 1222-0592 110 Natural 1222-0593 112 Natural 1222-0594 114 Natural 1222-0595 NO. OF LINKS COLOR PART # 520 SRO6 (CONT) 116 Natural 1222-0596 118 Natural 1222-0597 120 Gold 1222-0599 120 Natural 1222-0598 130 Gold 1222-0601 130 Natural 1222-0600 Clip connecting link Gold 1225-0631 Clip connecting link Natural 1225-0630 Rivet connecting link Gold 1225-0629 Rivet connecting link Natural 1225-0628 525 SROZ2 120 Gold 1222-0606 120 Natural 1222-0605 122 Gold 1222-0608 122 Natural 1222-0607 130 Natural 1222-0609 Clip connecting link Gold 1225-0633 Clip connecting link Natural 1225-0632 Rivet connecting link Gold 1225-0635 Rivet connecting link Natural 1225-0634 530 SROZ2 102 Natural 1222-0610 106 Natural 1222-0611 NO. OF LINKS COLOR PART # 530 SROZ2 (CONT) 108 Natural 1222-0612 110 Gold 1222-0614 110 Natural 1222-0613 112 Natural 1222-0615 114 Natural 1222-0616 120 Gold 1222-0618 120 Natural 1222-0617 Clip connecting link Gold 1225-0639 Clip connecting link Natural 1225-0638 Rivet connecting link Gold 1225-0637 Rivet connecting link Natural 1225-0636 630 SRO 92 Natural K630SRO-92 96 Natural K630SRO-96 98 Natural K630SRO-98 100 Natural K630SRO-100 110 Natural K630SRO-110 Clip connecting link Natural K185238 Rivet connecting link Natural K185210 SPECIFICATIONS CHAIN TYPE TENSILE STRENGTH (LBS.) MAX ENGINE CC STREET/DRY COLOR CONNECTING LINK TYPE CONNECTING LINK COLOR 420SRO 4,300 100/100 Natural Clip Natural 428SROZ 5,300 250/200 Natural Clip Natural 520SRO6 8,500 750/650 Gold, natural Clip, rivet Gold, natural 525SROZ2 9,000 900/750 Gold, natural Clip, rivet Gold, natural 530SROZ2 9,000 1,000/750 Gold, natural Clip, rivet Gold, natural 630SRO 10,120 1,000/NA Natural Clip, rivet Natural SRO AND SROZ SERIES CHAINS •Value O-ring chain that doesn’t compromise quality or durability •High-tech heat-treated steel alloy construction • O-ring seals lock in lube, lock out grit •Features lightening holes •420 SRO/428 SROZ/520 SRO6 chains include semi-press fit clip connecting link •525 SROZ2/530 SROZ2/630 SRO chains include rivet connecting link K420SRO-120 1222-0606
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