Rennen cog, one of the lightest on the market with only 18g on the scale in 16T ! Only Rennen cog offer a specific single-speed tooth profile that has been designed to extend the lifespan of the teeth.
IN DETAIL:
Material: 7075-T6 aluminium
Reverse design
Width 5mm to avoid the Aluminium body marking
For 1/2 - 3/32'' chain
Standard Shimano
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