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Diamondback Century Disc Shimano 105/Tiagra Complete Road Bike - 2014

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Item # DMB0005

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Item # DMB0005


Even if you're new to road cycling, you still deserve a bike that both fits and rides well. After all, there's nothing worse than attempting your first century, only to realize that your bike is extremely uncomfortable after 60 miles. With its Enhanced Performance Geometry Frame and disc brakes, Diamondback's Century Disc Complete Bike will be keeping your riding buddies jealous for a while.

The Diamondback legacy draws upon over a century of road experience to develop a line of bikes for every rider imaginable. And while Diamondback, originally known as Centurion, was formed in 1969, in 1999, its pedigree was married with the expertise of Raleigh Bicycles which was born in Nottingham, England over 130 years ago.

Diamondback's complete line of road bikes spans from the podium placer to the entry-level fitness rider. And while the same attention to detail exists in all of its bikes, the Century Disc features a 6061-T6 aluminum frame instead of the carbon fiber layup that's found in its Century 3 and 4 models. True, this material isn't as light as carbon fiber, but it is increasingly durable and resistant to wear. In fact, it's the go-to frame material for virtually every manufacturer looking at getting riders out on the road for a reasonable price.

To add a little oomph to the build, Diamondback's AMMP Carbon Road Fork completes the frame. Its construction uses Continuous Fiber Technology (CFT), which means that full-length strands of carbon are laid from the top of the steerer tube to the bottom of the dropouts. Additionally, the fork is the product of Diamondback's Advanced Monocoque Molding Process (AMMP), which is the same process used on the Podium Equipe, Diamondback's lauded road racer. Using this method, carbon plies are hand-wrapped around a polystyrene pre-form core, using a plastic bladder in the shape of the product. To achieve a precise mold during this layup process, the emerging fork is covered with a plastic cavity, which guarantees a perfect form. Silicone mandrel shells are then used to reinforce critical joint areas so as to create smoother overlapping fibers at vital junctions. The entire fork is coated for optimal fiber adhesion. But what does all this mean for you? Well, a carbon fork lends stiffness and handling to your bike, while also providing a smooth road feel.

The diamond of the Century Disc is, of course, the disc brakes. Using the Avid BB5R brake calipers, you'll stop on a dime, even if the chicken crosses the road — right in front of you. For the shift/brake levers and the front derailleur, Diamondback incorporated venerable Shimano Tiagra 10-speed components. Meanwhile, crisp shifting is guaranteed at the rear derailleur with a durable Shimano 105 setup. The drivetrain features a 50/34t FSA Vero Compact N10 crankset, a FSA CN910 chain, and a Shimano Tiagra 12-30t cassette. The cockpit build is a complete repertoire of Diamondback's DBR components. You rest on a DBR Performance saddle, while you roll on Diamondback's new Equation RS wheels that are cased with Michelin Dynamic Sport 700c x 25mm tires

The Diamondback Century Disc Complete Bike is available in the color Red in five even sizes from 52 to 60cm.

Tech Specs

Frame Material:
6061-T6 aluminum
DB Carbon Road fork
Fork Material:
carbon fiber
1.1.25 x 1.5 in integrated
Shimano Tiagra
Front Derailleur:
Shimano Tiagra
Rear Derailleur:
Shimano 105
50/34 t FSA Vero Compact N10
Bottom Bracket:
sealed cartridge
12-30 t Shimano CS-4600
FSA CN-910
[front] 160 mm Avid, [rear] 140 mm Avid
DBR Drop bar
Bar Tape:
DBR Race tape with Gel
DBR Performance Road
DBR Performance Post
DB Equation RS
Michelin Dynamic Sport
Tire Size:
700 c x 25 mm
test ride
Recommended Use:
road endurance
Manufacturer Warranty:
limited lifetime on frame

sizing chart

Bike size by rider height


Geometry chart


Geometry Chart


Century Disc

Seat Tube


Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




50cm 47.0cm 51.5cm 53.0cm 36.9cm 74.7cm 12.5cm 72.0° 75.2° 7.3cm 41.5cm 96.7cm
52cm 49.0cm 53.0cm 55.1cm 37.2cm 76.2cm 14.5cm 72.3° 74.0° 7.3cm 41.5cm 96.8cm
54cm 51.0cm 54.5cm 56.3cm 37.5cm 78.0cm 16.0cm 72.8° 73.3° 7.0cm 41.5cm 97.5cm
56cm 53.0cm 56.0cm 58.2cm 38.1cm 80.2cm 18.0cm 73.0° 73.0° 7.0cm 41.5cm 98.4cm
58cm 55.0cm 57.5cm 60.1cm 39.1cm 82.6cm 20.0cm 73.0° 73.0° 6.8cm 41.5cm 99.8cm
60cm 57.0cm 59.0cm 61.5cm 39.7cm 84.9cm 22.0cm 73.0° 72.5° 6.8cm 41.5cm 100.9cm

Geometry Chart

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Does this bike require assembly?

Does this bike require assembly?

Best Answer

Hey Tanya,

All of our bikes are assembled by our team of expert mechanics before shipping. They will require only minor reassembly on arrival. I've included a link below that shows a video of how the bike will arrive.!PAGETYPE?sc=651&sp=104&sf=101133&documentid=365697&action=view&VisitorProfile=competitive&MESSAGEVAR!home=yes&MESSAGEVAR!cookie=no&MESSAGEVAR!docid=365697

Please let us know if you have any other questions. You can reach us at 888 276 7130 and feel free to ask for me.