This finish is phosphate dipped raw steel to slow the rust process. It is then painted with a matte clear finish.

Details include:
Columbus Cromor MASH Spec 4130 Tubing
Straight blade fork with 35mm rake
1 1/8 threadless headset (not included)
27.2 Seat Post
30.0 seat collar with cable hanger
100/120 track hub spacing
BSA english 68 bottom bracket
Two water bottle mounts
Removable Brake Studs
Internal rear brake cable routing
Clears most 38c tires
Frame and fork weight: 2900 grams for a 55cm with uncut steer tube.
Includes nylon plugs to fill brake holes if needed
Top cap, bolt, and star nut included