Specially developed for BMX Race, the BOX One cog is designed in machined Chromoly for better durability and strength capable of withstanding raises 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 Chromoly 
• Shimano Standard Freehub
• Chain Pitch: 3/32 "
| Materials | Chromoly | 
| Width | Shimano |