I am trying to get into a carbon road bike, with a budget of about $1,000. Help me understand my options?

Looking 2nd hand, mainly on craigslist. Honestly, I get a little overwhelmed by the different brands and models…

My current ride is a Trek 1000 aluminum frame (51cm), which has served me well. I’m hoping to upgrade into a carbon bike with nicer components…

Mainly I ride this bike for fitness/exercise/recreation. Rides range from 20 to 60 miles (so far), with speeds about 17-22 on the flats and up to the 30s on downhills…

I have read that some models are race/endurance, which sounds good to me. I’m often for 2-3 hours, or sometimes more, so something comfy, yet also fast would be great. Fast is important!

Here are some of the listings I have bookmarked:

[Specialized Roubaix 52″ Carbon Fiber Dura Ace – $1,000](https://losangeles.craigslist.org/wst/bik/d/santa-monica-specialized-roubaix-52/7703366467.html)

[Trek Madone 5.2 SL Carbon Bike – $660](https://losangeles.craigslist.org/wst/bik/d/los-angeles-trek-madone-52-sl-carbon/7704282045.html)

[Trek Emonda S5 52cm – $800](https://losangeles.craigslist.org/sfv/bik/d/agoura-hills-trek-emonda-s5-52cm/7704810575.html)

[2015 CANNONDALE SYNAPSE CARBON 105 6C- PRICE DROP!!!!!](https://losangeles.craigslist.org/lac/bik/d/los-angeles-2015-cannondale-synapse/7699665740.html)

[Specialized Shiv Sport 2020 Medium Triathlon Time Trial Bike – $750 ](https://losangeles.craigslist.org/lac/bik/d/los-angeles-specialized-shiv-sport-2020/7705604693.html)

[Trek 5200 OCLV Carbon Race Bike – $650](https://losangeles.craigslist.org/wst/bik/d/los-angeles-trek-5200-oclv-carbon-race/7706441984.html)

I think 500-600 would be good on the low end, if I find a bargain or something older, and I could go as high as like… 1250, for something really special…

I’m not in a huge hurry. Willing to wait for the right bike. Anyone have advice on brands/models to look for – or which to avoid?

edit: [Photo of my current ride](https://imgur.com/a/z6uaUNP)

by sozh