This EK 420 pitch chain utilizes EK’s proprietary CRH pin treatment, which provides an extremely hard outside coating and softer inside to increase strength and reduce wear.
The EK 420SH chain is a very popular chain for the Honda Grom, Honda Monkey, and Kawasaki Z125 models.
Stock chain length for Grom/Monkey/Z125:
Honda Grom = 106 links (15/34 for 14-21 Grom) (15/38 for 22+ Grom)
Honda Monkey = 106 links (15/34)
Kawasaki Z125 = 122 links (14/30)
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