Smoother is faster. The more comfortable & less fatigued you are at the end of a 4 hour ride the stronger youll be. Like shocks on a race car the Zertz vibration damping inserts on the Roubaix SL4 help absorb road impact & keep power planted firmly on the road
- couple that with a FACT carbon 10r frame & its still plenty stiff to thrash around in a sprint. Just ask four time Paris-Roubaix champion Tom Boonen> FACT 8r carbon frame with Endurance Road Geometry Zertz & tapered headtube; paired with a full carbon monocoque fork for the perfect blend of stiffness compliance & light weight> Espoir 25c tyres with Black Belt puncture protection allow for a smooth fast & confident ride> Shimano Sora compact crankset delivers the precise shifting Shimano is known for> Specialized Roubaix Tape w/ 2.5 gel pads makes for an incredibly comfortable front-end on any terrain for any length of ride> Riva Road Gel saddle with Cr-Mo rails delivers the same ergonomically designed scientifically-proven Body Geometry features that allow riders to deliver power in high-performance positions> Specialized Comp FACT carbon seatpost offers the exceptional vibration damping characteristics of carbon fibre for long days in the saddle FRAME Specialized SL4 FACT 8r carbon FACT construction 1-1/8" to 1-3/8" headtube compact race design Zertz internal rear brake cable OSBBFORK Specialized Roubaix FACT carbon full monocoque Zertz HEADSET 1-1/8" upper & 1-3/8" lower Cr-Mo cartridge bearings 20mm cone spacer w/ 20mm of spacers STEM Specialized Comp-Set 3D forged alloy 4-position adjustable 4-bolt 31.8mm HANDLEBARS Specialized Comp Shallow Bend alloy 125mm drop 70mm reach TAPE Specialized Roubaix w/ 2.5 gel pads FRONT BRAKE AXIS 1.0REAR BRAKE AXIS 1.0BRAKE LEVERS Shimano Sora FRONT DERAILLEUR Shimano Sora braze-on 9-speed REAR DERAILLEUR Shimano Sora 9-Speed SHIFT LEVERS Shimano Sora STI 9-speed CASSETTE Shimano HG-50 9-speed 11-32CHAIN KMC X9CRANKSET Shimano Sora CHAINRINGS 50/34BOTTOM BRACKET OS integrated sealed bearings PEDALS Nylon flat test ride loose ball w/ reflectors FRONT WHEEL AXIS 1.0REAR WHEEL AXIS 1.0FRONT TYRE Specialized Espoir 60TPI foldable aramid bead double Black Belt protection 700x 25c REAR TYRE Specialized Espoir 60TPI foldable aramid bead double Black Belt protection 700x 25c INNER TUBES Standard presta valve SADDLE Body Geometry Riva Road Gel Cr-Mo rails 143mm SEATPOST Specialized Comp carbon 27.2mm SEAT BINDER Forged alloy 32.6mm