Box Cog (for Box and Promax Hubs)

High-performance rear cassette cog designed for BMX racing, built from premium materials and finished with Tangent’s race-ready design.

Product Highlights

• CNC-machined from 7075 aircraft-grade alloy
• CNC-machined from 4130 Chromoly
• Laser-etched Tangent race graphic
• Lightweight and durable construction
  

Specifications

• Compatibility: Shimano-style driver bodies
• Sizes: 14T–18T