BOX one aluminum cog

Specially developed for the BMX Race, the BOX One cog is designed in CNC machined 7075 Aluminum for significant weight gain and strength capable of withstanding relaunches and gate starts. It has a large 5mm contact base giving a more solid interface with the cassette body. It is compatible with all SHIMANO type cassette bodies

FEATURES :
• CNC machined 7075-T6 Aluminum 
• Shimano Standard Freehub
• Chain Pitch: 3/32 "