#1
★ Top Pick
TUSK 520 Gold X-Ring Chain Master Link for Kawasaki Ninja ZX-4R (ABS) 2024-2025
The ZX-4R runs a 520-pitch chain, and this master link matches that spec exactly, making it a direct fit without any conversion needed. The X-ring design reduces friction and retains lubrication better than standard O-rings, which suits the ZX-4R's high-revving 399cc four-cylinder that can stress drivetrain components more than larger, torquier bikes. The gold finish also makes link inspection straightforward. Caveat: this is a master link only, not a full chain, so confirm your replacement chain length before ordering.
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