Centered sprocket constructed in Cr-Moly machined in CNC. Suitable with splined hubs type Shimano HG. Available in 12t, 13t and 15t
 
Shimano HG splined sprocket
Available in 12t, 13t and 15t
Centered teeth
10mm wide
Black anodized finish with laser logos
Lock-ring is needed to use this cog, sold separatelly.  
Weight: 35g (12t), 48g (13t) and 59g (15t)