DB Offset Reversible Cog made of 7075-T6. The Cog has a built in spacer that can be installed on either side to minimize the use of spacers.
Custom design 1/2x3/32 5.0mm thick, CNC made, fit Shimano driver available in Black, Blue, Gold, Red, Purple and Silver in 14T, 15T, 16T, 17T, 18T and 19T
