Russell Burton / Our MediaĪt the rear, a new seat tube shape fits a deeper aero seatpost, replacing the old super-flexible slender post. The extra width of the seat tube houses the seat clamp system and adds a bit of aero too. I kept the mid-tension spring installed for damping in testing, and didn’t find myself needing more or less spring, regardless of the surface. All come with three springs to set the level of support. There are three versions of the new system, headlined by Future Shock 3.3, as seen on the higher S-Works and Pro models, with an adjustable fluid damper.įuture Shock 3.2, used here, has a fixed fluid damper, while Future Shock 3.1 relies on the sprung part only. Up-front, the latest incarnation of the Future Shock suspension system brings fluid damping and real springs together. ![]() The Future Shock suspension system is now in its third generation. That has an effect on the wheelbase of 1,031mm – the Giant in comparison is 6mm shorter. It has also upped tyre clearances (the Roubaix can accommodate up to 40mm-wide rubber), but the geometry remains very similar to the previous generation. The frame looks inspired by the Tarmac SL8, albeit with a taller front end. Specialized has gone about things a little differently – the always all-road capable Roubaix has been given an aero overhaul. Inner Tubes: 700x28 / 38mm, 48mm Presta valve.Wheels: Roval Terra C, 25mm inner width carbon rim, 32mm depth, DT 370 hubs, 24h, DT Swiss Comp Race spokes.Handlebars: Specialized Hover Expert, Alloy, 125mm drop, 75mm reach w/Di2 Hole.Shift levers: SRAM Rival eTAP AXS, 12-speed. ![]() Rear derailleur: SRAM Rival eTAP AXS, 12-speed.Front derailleur: SRAM Rival eTAP AXS, 12-speed.Crankset: SRAM Rival AXS w/Power, 12-speed, 46/33t.Fork: Future Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm.Frame: FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB.Russell Burton / Our Media Specialized Roubaix SL8 specifications Those weights put the Defy in the realms of a race bike, yet the frame has mount points for mudguards, including a removable rear bridge.Įdit Table Specialized Roubaix SL8 The Roubaix SL8 has a very similar silhouette to the latest Tarmac SL8, albeit with a taller front end. A medium frame is claimed to weigh 785 grams, 195g less than the old model, and the fork is down to 350g (claimed) – 15 per cent lighter than the old one. The frame and fork have both shed considerable weight. The new fork has aero-shaped fork blades with a flat back edge, a design first seen on Giant’s latest Propel. Overall, the design of the fork and frame resembles a slimmed-down version of the brand’s Propel aero bike.ĭespite sharpening the design and integration, tyre clearance was upped to 38mm – a trend we see in anything related to road bikes these days. Each of the Defy’s main tubes now has an aero profile. The aerodynamics were also considered, with the fork legs and seat tube both having truncated profiles. It features much more integration than the previous bike, thanks to the use of the internally routed cockpit, while Giant has attempted to imbue it with a sportier ride. Giant has taken the legendary Defy design and put it on a diet. Extras: Computer mount, fender mount, 2x bottle cages, factory tubeless setup.Tyres: Cadex Classic, tubeless, 700x32c (33.5mm), folding.Rims: Cadex 36 Disc WheelSystem, 36mm, 36mm. ![]()
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