Raven Caw
Features
-Designed for a 5'9" rider
- 240 mm dropper seat post
- Road narrow cranks (145 mm Q factor)
- Fits 29" x 2.25" tires (ETRTO 57-622) on 32 mm wide rims
- Titanium handlebar-stem for shock absorption
- Flat mount 160 brake mount
- 12 x 148 mm rear hub
- Custom machined spider for:
- 110 B.C.D SRAM chainring (38+ teeth)
- SRAM 8-bolt road crankset
- 48.5 mm chainline
- Spider is a rough draft, to be refined later
- UDH (Universal Derailleur Hangar) for T-type drivetrains
Geometry
- Front center: 808 mm
- Rear center: 401 mm
- Head angle: 69.0°
- Effective seat tube angle: 74°
- Bar sweep angle: 16° on a 20° plane (above horizontal)
(See diagram for more details)
Design + Construction
- Custom chain stay yoke, seat stay yoke, and dropouts were designed, then 3D-printed from stainless steel
- Frame tubes: internally-butted 4130 chromoly
- TIG welded
Completed July 2023
"My gravel bike is faster than your gravel bike."