Box 4-Bolt Narrow-Wide Cosine Chainring (Black)

Price: $64.99
Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.

BOX Cosine Narrow-Wide Chainring


  • CNC machined from 7075-T6 Aluminum Alloy
  • Lightweight and stiff
  • Proven Narrow-wide tooth profile 
  • Made in the USA

  • Ring Type:Single
  • Armx BCD: 4 bolt 104 BCD Spiders
  • Teeth: 30 to 38
  • Color: Black