Shimano 105 groupset alloy frame bike for under $850.
Only sizes are MD, M/L and XL.
From the website:
The 3.0 version is lighter, faster, smoother and even easier to ride:
Complete Shimano 105 5800 11spd groupset
Superlight, triple butted, hydroformed, high strength AL6069 alloy frame
Full carbon fibre monocoque construction fork (with tapered carbon steerer tube)
Internal cable routing reduces wind drag for slippery aerodynamics
Highlights
Superlight AL6069 triple butted alloy frame with tapered head tube and internal cable routing featuring endurance geometry for all day comfort
Tapered steerer full carbon fibre fork reduces vibrations and provides precise steering
The new Shimano 105 5800 provides the same fast and smooth shifting feel as the top level mechanical groups
Compact 50/34 tooth Shimano 105 cold forged Hollowtech crankset boosts stiffness from axle to chainrings
11-28 tooth cassette provides a wide gear range while maintaining close gear increments so you can find the optimal cadence
Shimano's 105 5800 SLR-EV dual pivot brake calipers provides enhanced control and a 10% increase in power over 5700 series calipers (really, you can feel it!)
they even hve a disc brake road bike for $499 on sale , though only comes with sora running gear.