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2018 Roubaix Expert UDi2

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Sorry rough roads, up until now you've challenged only the bravest of riders to travel…

Product Details

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Sorry rough roads, up until now you've challenged only the bravest of riders to travel over you, but with the Roubaix Expert with Shimano Ultegra Di2 that's equipped with our Future Shock technology, the "road less traveled" is now the "fun way home."

The super-light frame has been constructed from our FACT 10r carbon fiber. Its stiffness levels are also off the charts, and compared to the SL4 iteration of yesteryear, you'll experience a whole new, faster, and more efficient geometry. Through some engineering sorcery, however, we've managed to keep the same fit, feel, and position that we've all come to love from the SL4, and kept it consistent throughout the size-range due to our Rider-First Engineered™ construction.

Of course, you're probably thinking, "get on to the suspension thing up front." We call it Future Shock, and essentially, it's a piston in the head tube with 20mm of travel. We developed this technology in partnership with McLaren Applied Technologies, and the result of this are a host of drastic performance improvements, namely in the vertical compliance department. Without giving a physics lecture, we found that focusing on vertical compliance, instead of fork splay, meant that we could improve smoothness, speed, and comfort in one fell swoop. And of all the bikes that we've tested with our Rolling Efficiency Model, the new Roubaix outperforms anything on the market.

  • Featuring our Rider-First Engineered™ design that ensures every frame size has the same legendary responsiveness and smooth ride quality that you'd expect from a Roubaix. The FACT 10r frameset holds its own with our high-end carbon offerings, with the ideal blend of light overall weight and targeted stiffness, while the all-new Future Shock "suspension" system at the cockpit delivers a revolutionary degree of comfort and control.

  • A Roubaix Disc fork is built from our FACT carbon fiber for supreme stiffness, strength, and reactivity, while a thru-axle design only stands to bolster all of the above.

  • Shimano Ultegra Di2 shifting offers 11-speeds of electronic wonderment. Shifts are as precise as it gets, dropping chains becomes a rarity, and the trim adjust up front ensures that chain rub is a thing of the past—no matter how extreme your cross-chaining gets.

Technical Specifications

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FRAMESET

FRAME

Specialized FACT 10r carbon, Endurance Geometry, Rider-First Engineered™, 12x142mm thru-axle, Future Shock suspension, 20mm of travel, flat disc mounts

FORK

S-Works FACT carbon, 12x100mm thru-axle

WHEELS

FRONT WHEEL

DT R460 Disc, thru-axle, 2Bliss Ready

REAR WHEEL

DT R460 Disc, thru-axle, 2Bliss Ready

FRONT TIRE

Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x26mm

REAR TIRE

Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x26mm

INNER TUBES

Standard, Presta valve

DRIVETRAIN

FRONT DERAILLEUR

Shimano Ultegra Di2 Front Derailleur Braze-on

REAR DERAILLEUR

Shimano Ultegra Di2 GS, 11-speed

SHIFT LEVERS

Shimano R785 Di2, hydraulic disc

CASSETTE

Shimano Ultegra, 11-speed, 11-28t

CHAIN

Shimano Ultegra, 11-speed

CRANKSET

Shimano Ultegra

CHAINRINGS

52/36T

COCKPIT

STEM

Specialized Pro SL, alloy, 4-bolt

HANDLEBARS

Specialized Comp Hover Bar, 6061 alloy, 70x125mm w/ Di2 hole

TAPE

S-Wrap w/ Sticky gel

SADDLE

Specialized Phenom Expert, 143mm, hollow Ti rails

SEATPOST

Specialized CG-R, FACT carbon, single-bolt, 27.2mm

BRAKES

FRONT BRAKE

Shimano RS805 Hydraulic disc

REAR BRAKE

Shimano RS805 Hydraulic disc

ACCESSORIES

PEDALS

Nylon, 105x78x28mm, loose balls w/ reflectors

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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49525456586164
Crank Length170mm170mm172.5mm172.5mm175mm175mm175mm
Handlebar Width400mm420mm420mm420mm440mm440mm440mm
Stem Length75.090mm100mm100mm110mm110mm120.0
Saddle Width143mm143mm143mm143mm143mm143mm143mm
Seatpost Length350mm350mm400mm400mm400mm450mm450mm
Seat Tube Length, BB Center to Top425mm462mm481mm501mm522mm563mm584mm
Fork Rake50mm50mm44mm44mm44mm44mm44mm
Standover Height715.5mm743mm762mm785mm813mm844.3mm860.8mm
Stack549mm569mm585mm611mm644mm665mm679mm
Reach369mm371mm375mm381mm386mm392mm403mm
Head Tube Length90mm110mm125mm150mm185mm205mm220mm
Head Tube Angle72°72.25°72.75°73.5°73.5°74°74°
BB Drop77.5mm77.5mm76mm76mm74.5mm74.5mm74.5mm
Trail59mm57mm61mm55mm55mm52mm52mm
Front Center580mm586mm584mm590mm605mm612mm626mm
Chainstay Length413mm413mm415mm415mm418mm418mm418mm
Wheelbase981mm987mm987mm993mm1011mm1018mm1033mm
Top Tube Length, Horizontal527mm534.9mm545mm561.8mm576.3mm588.5mm610mm
Seat Tube Angle74°74°74°73.5°73.5°73.5°73°
Geometry

Manual Downloads

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Specialized Bicycle Owner's Manual Addendum: Riding With Kids
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Trainer Usage Addendum to the Bicycle Owner's Manual
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2018 Rider/Bike Weight Limits and Terrain Conditions
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Specialized Bicycle Owner's Manual (All Languages)
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Specialized Bicycle Owner's Manual (English)
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Roubaix/Ruby User Manual (Chinese Sim)
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Roubaix/Ruby User Manual (Chinese Traditional)
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Roubaix/Ruby User Manual (Czech)
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Roubaix/Ruby User Manual (Dutch)
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Roubaix/Ruby User Manual (English)
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Roubaix/Ruby User Manual (French)
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Roubaix/Ruby User Manual (German)
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Roubaix/Ruby User Manual (Italian)
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Roubaix/Ruby User Manual (Japanese)
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Roubaix/Ruby User Manual (Polish)
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Roubaix/Ruby User Manual (Portuguese)
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Roubaix/Ruby User Manual (Slovakian)
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Roubaix/Ruby User Manual (Spanish)
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Future Shock Retrofit Compatibility - Chinese Simplified
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Future Shock Retrofit Compatibility - Croatian
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Future Shock Retrofit Compatibility - Dutch
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Future Shock Retrofit Compatibility - English
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Future_Shock_Retrofit_Compatibility_Tech_Bulletin_French.pdf
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Future Shock Retrofit Compatibility - German
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Future Shock Retrofit Compatibility - Japanese
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Future Shock Retrofit Compatibility - Polish
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Future Shock Retrofit Compatibility - Slovenian
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Future Shock Retrofit Compatibility - Spanish
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Future Shock Front Suspension (2.0 damper/1.5 undamped) User Manual

For safety warning please refer to the documentation in the Manual Downloads section of this page.

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