ABSOLUTE BLACK SingleSpeed pinion

Best singlespeed cogs(sprockets) on the market. thanks to the unique tooth shape, narrow-wide profile and perfect roundness these sprockets will outlast any other aluminium counterpart. specifications: material: - cnc machined 7075 txxx aluminum. long-lasting construction. 7mm wide. compatibility: - fits to almost every hub on the market. please note that some freehubs may be a bit out of tolerance, so the cog may fit tight in such case. this is absolutely normal. chain compatibility: - 1x, 6/7/8/9/10/11/ 12spd chains. to utilize narrow-wide feature please use 9/10/11/ 12spd chain. (not compatible with halflink chains.)