RIDEA is really famous component manufacturer in fixie and motorcycle field.

This really rare big teeths cog used CNC machined finish that makes it really light than others. 

The best weapon if you want to go fixie climbing.



Brand: RIDEA
Color: Black

Teeth: 27T
Weight: 45g
Spec: English threaded/ BC1.37 X 24FPI 1/8 " 




Made In Taiwan.



CNC machined Alloy