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SPECIALIZED

Roubaix SL8 Sport 105

Roubaix SL8 Sport 105

94424-6252

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We created the endurance road category two decades ago proving that high ergonomics means high performance. Today, the new Roubaix SL8 with Future Shock 3.0 is lighter, faster, and smoother than any road bike ever made, unleashing unmatched confidence. The road may be hell below, but on Roubaix, it’s always heaven above.

  • COMPLIANCE: Future Shock 3.0 is the star of the show, more tunable, adjustable, and durable than ever. Now, regardless of position on the bike, every rider experiences 20mm of smooth, stiction-free travel between the stem and head tube. Future Shock helps keep your hands and bars steady for a smoother ride with more control to stay fast, safe, and confident.
  • Our dropped clamp design exposes more seatpost to increase deflection, but “more” isn’t simply better. The Pavé seatpost controls that deflection for the optimal vertical compliance. Together they create AfterShock technology, and when paired with the Roubaix’s rigid rear triangle, deliver a smooth ride with no loss in efficiency.
  • The Roubaix SL8 is the smoothest road bike our Ride Science Team has ever tested—reducing impacts at the bars and saddle by 53% vs. the nearest competition. With Roubaix’s Future Shock 3.0 the wheel quickly moves over the bump, while rider mass remains stable, maintaining momentum in rough terrain. Typical forks deflect backward on impact, causing a measurable loss in speed. It’s a scientific fact, smoother is indeed faster.
  • CAPABILITY: The Roubaix pioneered endurance geometry, so you ride “IN” the bike, not “ON” the bike to relieve pressure on your hands, arms, and shoulders for capability and confidence on any road, yet it’s ready to dissect a mountain decent at full gas. Snuggle up.
  • With tire clearance up to 38c/40mm, this endurance road machine delivers better traction than ever on rough roads and even light gravel. Thanks to lightweight, super-efficient Specialized tires, that extra tire volume and traction comes with no downsides.
  • Roubaix inspires really BIG days on the bike, so we’ve given it every mount your adventures could need—three bottle mounts, top-tube mounts, and it’s even fender-ready. So, go ahead and bring it all along for the ride.
  • PERFORMANCE: The new Roubaix SL8 is our most aero yet, with new aero shapes from our Free Foil library and dropped seat stays. At just 950 grams, the frame is lighter, utilizing lessons learned from the Aethos - the world’s lightest production frame - and Fact 10r carbon blend. Nothing in its class is faster or lighter than the Roubaix.
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Technical Specifications

Wheels & tires

Inner Tubes: 700x28/38mm, 48mm Presta valve

Front Tire: S-Works Mondo 2BR, 700x32c

Rear Tire: S-Works Mondo 2BR, 700x32c

Front Wheel: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples

Rear Wheel: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples

 

Frameset

Frame: FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc

 

Suspension

Fork: Future Shock 3.1 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc

 

Brakes

Front Brake: Shimano 105 Hydraulic Disc

Rear Brake: Shimano 105 Hydraulic Disc

 

Drivetrain

Chainrings: 50/34T

Cassette: Shimano 105, 12-speed, 11-36T

Shift Levers: Shimano 105 R7120, Hydraulic Disc

Crankset: Shimano 105, 12-Speed

Front Derailleur: Shimano 105 R7100, braze-on

Rear Derailleur: Shimnao 105 R7100, 12-Speed

Chain: Shimano 105, 12-Speed

Bottom Bracket: Shimano BSA

 

Cockpit

Handlebars: Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole

Saddle: Body Geometry Power Sport, steel rails

Stem: Future Stem Comp

Seat Binder: Hidden drop clamp

Tape: Supacaz Super Sticky Kush

SeatPost: S-Works Pave Seat post

Grips: HANDLE BAR TAPE, SUPACAZ, BT-601OE, W/EXTRA TAPE(L:9CM) SUPER STICKY KUSH CLASSIC, PU LEATHER, , BLK

 

Accessories

Pedals: PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED

 

Weight

Weight Size: 56

Weight: 9.07kg (19 lb, 15.9 oz)

Geometry


 		4449525456586164
Crank Length165165170172.5172.5175175175
Handlebar Width360380400420420440440440
Stem Length708090100100110110120
Saddle Width155155155143143143143143
Seatpost Length380380380380380450450450
Stack605630665685543549566585
Reach353363370381389397403409
Head Tube Length9090105122140168202222
Head Tube Angle69.370.871.572.3737373.573.5
BB Height269269269270270271271271
BB Drop8080807878787878
Trail7666626157575454
Fork Length, Full375375375375375375375375
Fork Rake/Offset5252524747474747
Front Center589587593598604620631634
Chainstay Length418418418420420423423423
Wheelbase99499299810051012103110421054
Top Tube Length, Horizontal503523534550569584600618
Bike Standover Height686719747766787809847865
Seat Tube Length446465485505545581365410
Seat Tube Angle7574747473.573.573.573

Size Guide

Size Chart