Wolf Tooth Single Speed Cog CNC Aluminium - black

Wolftooth CNC-machined aluminium single speed cog. They feature extra tall teeth for reliable chain retention when using chain tensioners and 4.5 mm width that will not dig into the freehub body. One of the lightest cogs available. Designed to work with 8, 9 or 10-speed chains (3/32" or narrower). Material: cnc-machined, anodized 7075 aluminium Weight supplement: for 17T | approx. 16g for 18T | approx. 18g for 19T approx. 20g for 20T | approx. 23g for 22T) (manufacturer information