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Men's Sirrus X Comp Carbon

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2019 Men's Sirrus X Comp Carbon

The Sirrus X Comp Carbon is far from your "normal" fitness bike. It features 700x38mm tires that let you explore the dirt when the time arises, a 1x11 drivetrain for ease of use, and you get rack/fender mounts.

We started with a high quality FACT 9r carbon fiber construction that's lightweight and extremely responsive, not only making the Sirrus a better climber, but also making it easier to carry up the stairs after your commute. Now, onto what we like to think is the best part of the new Sirrus: our Future Shock. 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 relationship are a host of drastic performance improvements, namely in the vertical compliance department. Without giving a physics lecture, we found that is improves smoothness, speed, and comfort in one fell swoop.

We equipped this bike with a 1x SRAM NX drivetrain to ensure reliable shifting and no dropped chains, plus next-level comfort that follows our scientifically tested and engineered Body Geometry components. So as you push yourself to reach your goals, you'll feel more connected to your bike than ever, leaving you feeling that you have the perfect partner on your path to health and wellbeing.

Technical Specifications

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FRAMESET

FRAME

Specialized FACT 9r carbon, Fitness Geometry, 1x drivetrain, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts

SUSPENSION

FORK

Specialized FACT 9r carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts

COCKPIT

HANDLEBARS

Double-butted alloy, 9-degree backsweep, 31.8mm

STEM

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

SADDLE

Specialized Canopy Comp, hollow Cr-Mo rails

SEATPOST

Alloy, 2-bolt, 14mm offset, 27.2mm

SEAT BINDER

Integrated w/ frame

BRAKES

FRONT BRAKE

Shimano MT201, hydraulic disc, resin pads, flat-mount, 160mm

REAR BRAKE

Shimano MT201, hydraulic disc, resin pads, flat-mount, 160mm

DRIVETRAIN

SHIFT LEVERS

SRAM NX, 11-speed

REAR DERAILLEUR

SRAM NX, 11-speed

CASSETTE

Sunrace, 11-speed, alloy spider, 11-42t

CRANKSET

Forged aluminum, 2-piece, 24mm spindle, direct-mount chainring

CHAINRINGS

Aluminum, 42T

BOTTOM BRACKET

BSA for 24mm spindle

CHAIN

KMC X11, 11-speed w/ Missing Link™

WHEELS & TIRES

RIMS

700C disc, double-wall alloy, 30mm depth, 21mm internal width, disc-specific

FRONT HUB

Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24h

REAR HUB

Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28h

SPOKES

Stainless, 14g

INNER TUBES

Presta, 48mm valve

FRONT TIRE

Tracer Pro, 2Bliss Ready, 60TPI, folding bead w/ GRIPTON®, 700x38mm

REAR TIRE

Tracer Pro, 2Bliss Ready, 60TPI, folding bead w/ GRIPTON®, 700x38mm

ACCESSORIES

PEDALS

Platform, alloy

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

Geometry

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SMLXLXXL
Crank Length170MM170MM172.5MM172.5MM175MM
Handlebar Width660mm660mm660mm680mm680mm
Stem Length80mm90mm90mm100mm100mm
Saddle Width155mm155mm155mm155mm155mm
Seatpost Length300mm350mm350mm350mm350mm
Stack602mm631mm649mm687mm709mm
Reach371mm384mm386mm398mm410mm
Head Tube Length143mm169mm186mm223mm246mm
Head Tube Angle70°71°71.5°72°72°
BB Height275mm275mm275mm275mm275mm
BB Drop70mm70mm70mm70mm70mm
Trail71mm65mm62mm58mm58mm
Fork Length, Full390mm390mm390mm390mm390mm
Fork Rake/Offset51mm51mm51mm51mm51mm
Front Center625mm635mm637mm656mm675mm
Chainstay Length435mm435mm435mm435mm435mm
Wheelbase1050mm1060mm1063mm1082mm1101mm
Top Tube Length, Horizontal554mm573mm580mm603mm628mm
Bike Standover Height756mm788mm813mm849mm875mm
Seat Tube Length416mm452.8mm483mm533mm563mm
Seat Tube Angle73.5°73.5°73.5°73.5°73°
Geometry

Rider Reviews

  • 5
  • 9 Reviews

Simply yes....

Took this bike 6 miles from the shop home. As someone used to mountain biking in mountains of Oregon and the hilly jungles of Okinawa, Japan, I wanted something that was less punishing on the roads, but not limited to pavement, and I have to say, this bike is quick, responsive, and comfortable. I had to take this on a trail that was 70% loose gravel and 30% pavement and it handled the entire trail smoothly without issue. I took it on a 12 mile ride the following day with a tandem attachment for my son, and I was still able to get this bike up to speed while towing 45 pounds on the same gravel trail. I'm used to an 3x8 experience so shooting over to something with less gears seemed odd to me, but now that I've ridden this beauty down the roads and trails in my neighborhood, I don't think I want to go back to anything else. If you are looking for a good all around bike that wont limit you when you spot the occasional bumpy trail, but don't want the consequence of a spongy asphalt experience, this is the bike for you.


Name:
Philip

Helpful?

This is the ""one""

I've owned many hybrid/fitness bikes over the years in search of the perfect all around ride. Finally found it in the Sirrus X Comp. Light weight and agile are it's greatest attributes, but there's so much more. The Future Shock provides ample suspension with almost zero added weight. Great tires, disc brakes and thru axel hubs add to the robust nature of the X. The X is capable of handling almost all your cycling needs other than extreme mountain biking or the Tour De France. If you only want one bike this is the one


Name:
Still B.

Helpful?

So much better than expected.

I was on the fence about purchasing a bike with a single chain ring, as I live in the mountains. But I looked at the ratios, and realized that it covered just as much as what I was currently riding. This bike will replace an older Allez, as I have reached that point in life where I want a more relaxed ride. Totally impressed with the ride, brakes, and the Future Shock has helped to deliver a smoother ride. Very stable, very comfortable, very happy rider.


Name:
Burnsey

Helpful?

I love this bike!

I was looking for a multi use bike to fit between my Roubaix road bike and Levo mountain bike, and this model is perfect for town rides, gravel and commuting. I was originally just going to go with an aluminum Sirrus, but my long-time dealer said I have to try one of these, and boy - they were right! Very light and nimble with a comfortable ride, great shifting with the NX gear train, nice brakes plus the Future Shock that I already was a fan of. It's so much more than the Sirrus I had 7 years ago. Two really worthwhile upgrades: I installed an CG-R carbon / zertz seat post that improved comfort, and my dealer hooked me up with a set of DT Swiss R470 wheels with 350 hubs that were take-off's from a Roubaix that I put a set of Sawtooth tires on. Wheels weigh less & roll better, and the tire is perfect for this bike. These wheels are the normal mid-range Specialized road bike wheels and you can find them almost new for $150-200 a set easily. Great bike - you won't be dissappointed.


Name:
993mike

Helpful?

Great all-around bike

I'm a road racer, and I was looking for an ""about town"" bike for urban riding, trails, commuting and whatnot. I've ridden others in the same class, but this was the easiest transition from a road bike--light, maneuverable, responsive. And the future shock system is really nice on broken pavement. This bike is everything I wanted, and nothing that I didn't.


Name:
Flash

Helpful?

YES

This bike is one of the best I have ever owned


Name:
Roy

Helpful?

YES

This is of the best bike I have ever owned, you cant go wrong with this bike it dose it all


Name:
Roy

Helpful?

Impressive

I demoed several gravel bikes including Santa Cruz, Ibis and Diverge and then bought this one. It's fast and stable like the others, but I chose this for its longer geometry, steering response and MTB style flat bar cockpit, plus the Future Shock damping like the Diverge which is more effective than I expected and has replaceable springs for compression tuning. I did a few needed upgrades (Easton EA70 AX wheels, RT81 rotors, carbon post, grips, lower profile Diverge headset cap) but left everything else stock including the impressive tires. The bike now weighs under 20 lbs in size XL. It surprises me every day with how well it rides, climbs and descends on gravel, dirt and pavement. What a lucky find, couldn't be happier.


Name:
Tom

Helpful?