RENNEN Polish cog

Specially developed for the BMX Race and pairing perfectly with decimal toothed chainrings, the RENNEN cog is designed in CNC machined 7075 Aluminum for significant weight gain and optimum strength capable of withstanding relaunches and exits from the grid. It is compatible with all SHIMANO type cassette bodies.

FEATURES :
• CNC machined 7075-T6 Aluminum 
• Shimano Standard Freehub
• Chain Pitch: 3/16 "