Tangent Halo Chainring-4-Bolt Color:Purple these are the brake posts

these are the brake posts for you

Fits frames with standard threadless head tubes (not integrated or internal)

5oz (865g)

Lighter Weight Design with unnecessary material removed to reduce weight

Ratcheting fly closure allows for adjustability and positive closure for a secure fit

Tangent Halo Chainring-4-Bolt Color:Purple these are the brake postsThe Tangent Halo 4 Bolt Chainring is pure and angelic. One might even see beams of golden light shining down during install. CNCd from 6061 T6 aircraft grade aluminum right in Sacramento, California. Compatible with single, 7, or 8 speed chains and available in 36T to 50T. You want colors? No problem. Black, Red, Blue, Gold, Purple, Gun Metal oh yeah, we got colors! FEATURES High tooth profile for accuracy CNC cut from 6061 T6 aircraft grade aluminum