BOLD MAGENTA part numbers are new for 2026 CHAINS & DRIVE BELTS PARTS-UNLIMITED.COM STREET | 2026 1039 QUICK ACCELERATION CHAIN KITS WITH STEEL SPROCKETS •All 520 Steel Quick Acceleration kits feature RK’s premium, lightweight XW-ring sealed racing chain in either gold or natural finish •Kit includes a premium Driven C45 steel alloy black case hardened rear sprocket paired with Driven® C45 steel case hardened and quenched front sprocket •RK’s 520 Steel Quick Acceleration Race Kit combines the enhanced performance of race gearing and durability of steel components •Kit includes a one-tooth-smaller-than-OE front sprocket •Experience quicker starts and quickest to your bike’s red line in every gear without sacrificing normal ride, handling or longevity FITS MODEL OE FRONT SPROCKET SIZE OE REAR SPROCKET SIZE KIT FRONT SPROCKET SIZE KIT REAR SPROCKET SIZE CHAIN TYPE FINISH PART # APRILIA RSV-4 APRC 10-25 16 40/41/42 15 40 520ZXW Natural 1230-1703 16 40/41/42 15 40 GB520ZXW Gold 1230-1704 BMW S 1000 RR (Not HP-4) 09-11 17 44 16 44 GB520ZXW Gold 1230-1700 S 1000 RR (Not HP-4) 12-18 17 45 16 45 520ZXW Natural 1230-1701 17 45 16 45 GB520ZXW Gold 1230-1702 HONDA CBR600RR 03-06 16 43 15 43 520XRE Natural 1230-1648 16 43 15 43 GB520XRE Gold 1230-1650 CBR600RR/RA (ABS) 07-24, 09-17 16 42 15 42 520XRE Natural 1230-1651 16 42 15 42 GB520XRE Gold 1230-1652 CBR1000RR 04-05 16 41 15 41 520ZXW Natural 1230-1653 16 41 15 41 GB520ZXW Gold 1230-1655 CBR1000RR 06-07 16 42 15 42 520ZXW Natural 1230-1656 16 42 15 42 GB520ZXW Gold 1230-1657 CBR1000RR 08-16 16 42 15 42 520ZXW Natural 1230-1658 16 42 15 42 GB520ZXW Gold 1230-1659 KAWASAKI ZX600/636 Ninja ZX-6R/RR 05-06 15 43 14 43 520XRE Natural 1230-1662 15 43 14 43 GB520XRE Gold 1230-1664 ZX600/636 Ninja ZX-6R/ABS 07-18 16 43 15 43 520XRE Natural 1230-1665 16 43 15 43 GB520XRE Gold 1230-1666 ZX600 Ninja ZX-6R 98-08, ZZR600/ZX-6RR 03-04 15 40 14 40 520XRE Natural 1230-1667 ER-6 ABS Ninja 650 06-24 14 48 14 44 520XRE Natural 1230-1660 14 48 14 44 GB520XRE Gold 1230-1661 ZX1000 Ninja ZX-10R 06-07 17 40 16 40 520ZXW Natural 1230-1668 17 40 16 40 GB520ZXW Gold 1230-1669 ZX1000 Ninja ZX-10R 08-10 17 41 16 41 520ZXW Natural 1230-1670 17 41 16 41 GB520ZXW Gold 1230-1671 ZX1000 Ninja ZX-10R 11-15 17 39 16 39 GB520ZXW Gold 1230-1672 SUZUKI GSX-R600 06-10 16 43 15 43 520XRE Natural 1230-1673 16 43 15 43 GB520XRE Gold 1230-1674 GSX-R600 11-24 16 43 15 43 520XRE Natural 1230-1675 16 43 15 43 GB520XRE Gold 1230-1676 SV650 99-13, SV650S 99-09, SFV650 (except ABS) 08-09 15 45/44 14 45 520XRE Natural 1230-1677 15 45/44 14 45 GB520XRE Gold 1230-1678 GSX-R750 06-10 17 45 16 45 520ZXW Natural 1230-1679 17 45 16 45 GB520ZXW Gold 1230-1680 QUICK ACCELERATION CHAIN KITS continued on next page.
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