Flatslide
E*POWAH Master
Any other Rocky owners having issues with premature wear of the 12T transfer cog?
I'm on my second cog - the first worked loose at 1000km, the replacement 600km later. The face of the cog wears away where it is clamped by the lock ring, causing the cog to then wear on its internal spline and become loose. This makes a knocking noise which is felt through the cranks. The lock ring remains tight, but it's clamping ability is diminished as the cog face wears. These tiny single-speed type cogs are $99nzd each. Rip off much?
I'm on my second cog - the first worked loose at 1000km, the replacement 600km later. The face of the cog wears away where it is clamped by the lock ring, causing the cog to then wear on its internal spline and become loose. This makes a knocking noise which is felt through the cranks. The lock ring remains tight, but it's clamping ability is diminished as the cog face wears. These tiny single-speed type cogs are $99nzd each. Rip off much?