D.I.D Standard Non O-Ring 420D x 130L Chain SMDC the Koso GROM camshaft is

the Koso GROM camshaft is a clever choice

Drive Boss Inner Diameter: 15mm

Installs on the stock steering column clamp

With a lower rise and a comfortable sweep

The adapter has a regular thickness so that it could be used with Honda Ruckus triple trees with larger calipers

D.I.D Standard Non O-Ring 420D x 130L Chain SMDC the Koso GROM camshaft isD. I. D. Standard Non O Ring chain! 420 x 130L. Made with solid bushing for a longer life! Great low cost replacement chain! 420x130L is perfect for Honda Grom 125 with stretched or extended swing arm. D. I. D's standard non o ring chain Low cost, high quality solid roller chain Quad staked pin riveting Special allow steel construction Extended riveted bushing anti kink design Pre stretched at factory For motorcycles originally equipped with non O