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Orbea Orca Bronze/Shimano Ultegra Complete Road Bike

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Item # ORB0051

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Item # ORB0051


When you first look at the new Orbea Orca Bronze/Shimano Ultegra Complete Road Bike, you'll notice that the lines and geometry are strikingly similar to Orbea's flagship Gold and Silver road bikes. The stable handling, exceptional ride quality, and overall comfort is also reminiscent of these top-end machines, as the Orca BLT was constructed using many of the same frame technologies and design details. However, the differences between the Orca BLT and the Orca Gold really only comes down to the BLT's carbon layup and build kit. Orbea specifically spec'd this frameset with Shimano's reputable Ultegra 6700 groupset, providing you with a lightweight, fast, and reliable road bike package at a great value.

The Orca BLT was built using Orbea’s Bronze grade carbon, which is a blend of intermediate modulus fibers that have a touch more elasticity than the higher modulus fibers used to construct the Gold and Silver Orcas. The result is a durable layup that provides a smooth, compliant, and road-dampening feel, yet still yields an ultra-rigid pedaling platform. This translates into more of your pedaling power being directed straight into the back wheel, instead of being wasted on flexing the frame side-to-side. A quick acceleration out of the saddle is all it takes to feel just how solid this construction really is.

Like the Gold and Silver models, The BLT frame and fork were molded using a monocoque construction method. Essentially, this creates a homogenous structure with fibers running continuously along the length of the tubes and through the intersections. This increases the total strength of the bike, particularly at the tube junctions. Additionally, it adds to frame's overall durability. However, there are a few structural differences that separate the Orca BLT from the Silver and Gold. The BLT uses alloy dropouts, which are a few grams heavier than the full-carbon versions found on the more expensive models, but the tradeoff is that they are much more durable. Also, the seat tube on the BLT is round whereas the Gold and Silver have a more sculpted, aerodynamic shape. This allows the use of a standard round seatpost and conventional clamp assembly.

Aside from these small differences, the front triangle uses the same planar styling as the other Orca models. The angular tube shapes and pronounced edges are the result of what is known as Finite Element Analysis (FEA), which was engineered to create resistance to flex in critical areas like the bottom bracket, seat tube, and head tube junction. Orbea also applied what it terms as Size Specific Nerve (SSN) technology in order to produce frames that provide the same comfort and ride-quality characteristics throughout the size range. In other words, each frame size has specific carbon layups and tube dimensions, providing the same road-tuned feel regardless of what size of frame you select.

The Orca BLT was built with a BB30 bottom bracket and a tapered, oversized head tube. Both of these details work to decrease weight while increasing stiffness where it counts. At the bottom bracket, you’ll enjoy a stiffer and lighter junction compared to standard external bearing design, which is the same for the tapered, 1.5-inch lower bearing head tube. Both of these design characteristics were trickled down from the Silver and Gold models, which increases the torsional stiffness of the frame.

For the build of the Orca BLT, Orbea spec'd the bike with Shimano's Ultegra 6700 10-speeed drivetrain, complete with its BB30 50/34t compact crankset. The cockpit received Orbea's aluminum Pro bar and stem, with an Orbea carbon post supporting Selle Italia's SL Flow saddle. In the wheel department, Orbea wrapped the durable Mavic Aksium hoops with Mavic Aksium clincher tires.

The Orbea Orca Bronze/Shimano Ultegra Complete Road Bike is available in the sizes 48, 51, 53, 55, 57, and 60cm. It also comes in the colors Anthracite/carbon and White/carbon/red.

Tech Specs

Frame Material:
carbon fiber
Orbea Orca
Fork Material:
carbon fiber
1.125 - 1.5 in
Shimano Ultegra 6700
Front Derailleur:
Shimano Ultegra 6700
Rear Derailleur:
Shimano Ultegra 6700
50 - 34 t
Bottom Bracket:
not included
11 - 25 t
Shimano Ultegra 6701
Brake Levers:
Shimano Ultegra 6700
Brake Calipers:
Shimano Ultegra 6700
Orbea Alu Pro
Bar Tape:
Orbea cork
Orbea Alu Pro
Selle Italia SL Flow
Orbea Carbon
Seat Collar:
alloy clamp
Mavic Aksium
Mavic Aksion
Tire Size:
700 c x 23 mm
Recommended Use:
road cycling
Manufacturer Warranty:

sizing chart

Bike size by rider height


Geometry chart


Geometry Chart


 Seat Tube

Effective Top Tube






Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height


Bottom Bracket Drop




48 45.4cm 52.0cm 50.0cm 36.0cm 10.4cm 71.5o 74.75o 26.7cm 7.0cm 40.5cm 97.0cm
51 48.4cm 53.5cm 53.0cm 37.7cm 12.0cm 72.1o 73.5o 26.7cm 7.0cm 40.5cm 97.0cm
53 50.4cm 54.5cm 55.2cm 38.0cm 14.5cm 72.1o 73.5o 26.7cm 7.0cm 40.5cm 98.0cm
55 52.4cm 55.5cm 57.2cm 38.2cm 16.5cm 73.5o 73.2o 26.7cm 7.0cm 40.8cm 98.8cm
57 54.4cm 57.0cm 59.0cm 39.1cm 18.5cm 73.2o 73.2o 26.7cm 7.0cm 40.8cm 99.8cm
60 57.4cm 59.0cm 62.1cm 40.3cm 20.5cm 73.5o 73.2o 26.7cm 7.0cm 40.8cm 101.3cm

Orbea Orca Geometry Chart

Reviews & Community


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Doublie 5 stars!

    So as I logged in online to write the review posted below after receiving my bike, and after writing my review, I noticed that the price of the bike that I was so excited about had just dropped $600 from what I just paid last week for it!!

    So I clicked on the Chat now, explained what happened and they matched the new price in 5 minutes. Now bickering, haggling, or anything. They just said we understand and you have $600 coming back to you!

    How awesome is that for customer service?!

    I'll definitely sing their praises to friends and will definitely be shopping for my other gear from backcountry!

    Yeah, with regards to the Stork Absolutist I bought, at first they matched their new price & I got a 300 dollar credit which was way cool. But then the price dropped again by 100 (but only for a day, as a TDF special) and they said they would not credit me because I had made upgrades to the bars (I spec'd a 3T carbon bar that was 40% off instead of the build-kit Zipp SC ). Weird in that guy who gave me the first credit told me that it was the frame that was discounted, not the parts swaps were irrelevant. Also weird in that in the first instance, it would have been cheaper to send the bike back entirely and just buy it again (w/same upgraded bars), but in the second, I really had no choice, so I was screwed. Note that The credit I got for the trade in for the bars was far smaller than the 100 I would have picked up for the price guarantee match. Also, I believe the price guarantee is only for 60 days. Buyer beware!!!!!!!

    Great Deal, Great Bike, Great Services

      I had an Orbea previous to this one, and it was stolen in November. My local shop where I bought the first one has since stopped selling Orbea. I wanted another one though. I found this deal, the price was great, and after being a little wary about spending $3k ordering a bike off the internet, I decided to pull the trigger. The bike shipped and was delivered in two days as promised. It came mostly put together and very well organized in the box. It took about 30 minutes and it was ready to ride (or at least it would have been if I had bought pedals already) I'm happy with the bike, the service and the whole experience.

      Great Deal, Great Bike, Great Services

      Do you have to build this bike from the...

      Do you have to build this bike from the bottom up? Is that waht you mean by a build kit? This bike requires full assembly.

      Build kit means the components on the bike. If they ship the bike to you, it'll probably come mostly assembled. You may have to install the seatpost, handlebar, pedals, and wheels and give it a mechanical inspection before riding.