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  • Alchemy Ultegra Di2 Complete Road Bike - 2018
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 3/4 Back
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
  • Alchemy Ultegra Di2 Complete Road Bike - 2018 Detail
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Ultegra Di2 Complete Road Bike - 2018
$5,235.76 - $5,250.00

Item # AOE0007

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  • Raw, 52cm ($5,235.76)
  • Raw,54cm ($5,250.00)
  • Raw,56cm ($5,250.00)
  • Raw,58cm ($5,250.00)
  • Raw,60cm ($5,250.00)
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Item # AOE0007

Still relevant.

The gradual ascendance of carbon fiber as the material of choice for racing owes to the low weight and high stiffness that can be so easily teased out of the material. With the Eros, Alchemy proves that metal still has a place with a frame that's lighter and stiffer than what we'd expect from ferrous tubing but still has that springiness we know and love. To complement the Eros' lustful ride quality and the included ENVE fork, we've built the frameset up with Shimano's latest Ultegra Di2 drivetrain and a set of Mavic's comically user-friendly Ksyrium Elite tubeless wheels. The result is a titanium bike that's as happy to race as it is to spend all day towing at the front of a group century.

Titanium recalls the halcyon days of cycling's past (while reminding us why discerning perfectionists still insist on it), but the ENVE carbon fork and tapered head tube are decidedly modern touches. Stiffening the front end is the name of the game here, and it helps preserve a gap while pushing through on fast, sweeping descents and while hammering out of the saddle on a climb in order to get that gap. The Eros is Alchemy's first bike, and even though it has its own carbon wonder bikes, Alchemy stands by the Ti Eros as "a sleek work of art" that will "outperform any bike made from any material." The art part is obvious (Those too-clean welds!), but the Eros is surprisingly sharp under hard efforts.

The frame's other dimensions also speak to racing rather than noodling. Its reach and drop are every bit as aggressive as a typical World Tour GC machine, and Alchemy puts that race-minded mien to good use as a showcase for titanium's eager, springy responsiveness. The combination of geometry and material recommends the Eros as a club racer that isn't (too) afraid of the prospect of clipping a pedal in the final corner.

That's not to say the Eros isn't only a hard-as-nails race slayer. It's got some elegant design features that improve aesthetics (the Alchemy dropouts) and contribute to a stiffer drivetrain and a softer ride (also the dropouts). Obviously, they're sexy, and only contribute to the Eros' insistence on love; however, they also let Alchemy stack the stays in your favor by beefing up the chainstays and lightening up the seatstays. That keeps all the pain going from pedals to road instead of road to saddle.

The Eros is a modern race bike, though, and it's every bit as stiff as we'd expect a modern race bike to be. That lack of flex does mean it's a bit harsher than traditional Ti or steel frames, but the inclusion of Mavic's Ksyrium Elite UST wheels alleviates that issue. Since they're tubeless, the rims let the tires fill out with more air volume, allowing for lower PSI to decrease rolling resistance and increase the tire's ability to soak-up chatter and road noise. Mavic's UST is also unbelievably easy to install. No tools, no compressor, just bare hands and a floor pump.

In a final touch of slick bling, Alchemy finishes the Eros with S-curve seat and chainstays. We've heard people argue that S stays increase comfort, but we're convinced that the design choice is purely aesthetic. The physics just don't support the comfort argument. Having said that, though, the sinuous stays strike a remarkable figure amid a sea of increasingly exaggerated "aero" monocoque frame designs. Don't get us wrong, we're all for drag reduction and boosting efficiency through creative tube profiles, but the Eros' shapely gams are reminiscent of the Old World artistry that defined mid-century frame building—less about engineering software and wind tunnels than pure touch.

  • A Ti bike built to race in the 21st century
  • Titanium is springy and stiff but not punishingly harsh
  • ENVE carbon fork adds damping and responsiveness
  • Race geometry begs to be pedaled in anger
  • Tapered head tube keeps tracking and hammering on point
  • S-curve stays add sinuous sex appeal out back
  • US-sourced titanium guarantees material quality
  • Shimano's Ultegra Di2 continues to be the privateer's choice
  • Mavic's road tubeless rims don't require tools or a compressor to mount tires
Tech SpecsGeometry
Tech Specs
Frame Material
Fork Material
carbon fiber
Cane Creek
Shimano Ultegra Di2 R8050
Front Derailleur
Shimano Ultegra Di2 R8050
Rear Derailleur
Shimano Ultegra Di2 R8050
Shimano Ultegra R8000
Bottom Bracket
Shimano Ultegra BB72-41B PressFit
Crank Arm Length
[52cm] 170mm, [54 - 56cm] 172.5mm, [58 - 60cm] 175mm
11 - 25t Shimano Ultegra R8000
Shimano CN-HG701
Shimano Ultegra R8000
Brake Type
Zipp Service Course
Handlebar Width
[52cm] 40cm, [56 - 58cm] 100mm, [60cm] 110mm
Bar Tape
PRO Classic
Zipp Service Course
Stem Length
[52 - 54cm] 90mm, [54 - 56cm] 42cm, [58 - 60cm] 44cm
Fizik Aliante R7
Zipp Service Course
Mavic Ksyrium Elite UST
Mavic Instant Drive 360
Front Axle
9mm quick-release
Rear Axle
130mm quick-release
Mavic BR301
Mavic Yksion
Tire Size
700c x 25mm
not included
Recommended Use
road cycling
a Seat Tube(c-c)
b Seat Tube(c-t)
c Effective Top Tube
d Stack
e Reach
f Stand Over
g Head Tube
h Head Tube Angle
i Seat Tube Angle
j Bottom Bracket Height
k Bottom Bracket Drop
l Chainstay
m Wheelbase
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What a lovely ride!

  • Familiarity: I've used it several times

It has been a few years since I last threw a leg over a Ti bike. I remembered my first experience as being a little bit of a let down because the bike felt like a noodle and I decided to stick with Carbon at the time. Fast forward to today, This Eros provides an incredibly smooth ride quality, smoother than my Steel framed gravel bike, but does not feel too flexy. If anything I was surprised by the stiffness and responsiveness of this bike. Maybe not as responsive as a high-end carbon bike, but everybody has a high-end carbon bike these days. I love riding something that you don't see every day. The quality of construction is superb and sizing felt spot on. I typically ride a 54cm frame in Trek and Specialized and the Eros in a 54cm frame felt quite good.

What a lovely ride!
Avg. ride time: 6h 49m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Alchemy Eros = Magical

  • Familiarity: I've used it once or twice and have initial impressions

I took this bike out for a demo ride and came back impressed. My biggest curiosity was how the Ti frame would feel, and i was pleasantly surprised. Comfortable without sacrificing other desired qualities in full carbon race bikes.

I rode one of my regular routes that has a good mix of climbs and descents, which is typically on my aluminum Trek Emonda. This bike was definitely faster and more compliant. A couple hours in the ride when descending downhill at 30+ mph through some broken pavement, I could really feel the perks of the Ti frame. It was more comfortable and gave me a better sense of confidence. 28mm clinchers added to the plush ride and confident cornering. But, don’t forget this is still a race bike. The geometry made steady handling and was ready to pounce when you need to make a move. The Enve carbon fork is a nice touch to stiffen up the front end.

As expected, the shifting was flawless and perfectly on point. My next road bike will have electronic shifting, Di2 is just too sweet.

The bike climbed really well. I was curious going into the ride with only a 25T in the rear, but I never found myself looking for more when I usually use it. This bike is no slug. Sprinting out of the saddle felt solid and responsive.

This is a bike that is great for the long haul on endurance rides when you want to counter fatigue. It is a modern race bike that has the benefit of high quality Ti comfort. Alchemy has their Eros bike dialed and I am pleased with it. At 5’9, the 54cm frame felt a bit on the small side. Feel free to reach out to me with any questions at or 801-204-4678. I am more than happy to chat.