With a Kick-Ass-Cog on your bike, you can expect a smooth, quiet drivetrain for miles to come. At a full quarter inch wide (6.35mm) at the splines, Kick-Ass-Cogs simply will not damage your HG free hub body the way a narrower cog can. The specially engineered tooth profile on Kick-Ass-Cogs improves both cog and chain life while minimising drive train friction.

• Made of high strength 7075-T6 alloy (dtronger and harder than most common steels)
• Precision-machined insuring perfect axial and radial alignment that compliments the superior chain lines that cassette style hubs allow.
• SRAM PC7X and 8, 9, 11 and 12 speed geared chains have shown no issue 

Note: We do not recommend ACS Crossfire or SRAM PC1 chains as they accelerate the wear on the cog 

Like all EndlessBikeCo. Products, Colour Anodised Kick-Ass-Cogs are made in Western North Carolina.