Click below to view more images for BOX Cosine 4-Bolt Chainring:
Details and Specs:
BOX Cosine 4-Bolt Chainring
The Box Cosine 4-Bolt chainring is made in the USA from durable 6061 aluminum with large square shaped cutouts around the perimeter to help save weight, 3/32" teeth with rounded tooth profile to reduce chain wear, laser-etched BOX logos and a 4x104mm bolt pattern.
Teeth: 3/32" Bolt Pattern: 104mm Weight: 2.7 oz (44T)