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Sirrus X 2.0

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2021 Sirrus X 2.0

Sirrus X is your ticket to riding more, and to places you never imagined possible. It's a comfortable, capable, "let's do stuff" kind of bike that will inspire you to ride more than you ever have before. With bigger, confidence inspiring tires, a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders —it's more than just a solid partner on pavement. Sirrus X is a dialed option when it's time to hit some gravel. We've also equipped every Sirrus X with next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals.

Technical Specifications

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Frameset

SWAT

Frame

Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

Suspension

Fork

Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

Cockpit

Tape

Specialized Neutralizer, Body Geometry, locking grip

Handlebars

Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm

SeatPost

Alloy, 12mm offset, 2-bolt clamp, 27.2mm

Seat Binder

Bolt-type, 31.8mm

Stem

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

Saddle

Bridge Sport, Steel rails, 155/143mm

Brakes

Front Brake

Promax F1, hydraulic disc, flat-mount, 160mm

Rear Brake

Promax F1, hydraulic disc, flat-mount, 160mm

Drivetrain

Chainrings

40T

Bottom Bracket

BSA, square-taper, 68mm

Chain

KMC X8 w/ Missing Link™

Cassette

MicroSHIFT, 8-Speed, 12-42t

Crankset

3 pc, Alloy Forged Arms

Rear Derailleur

MicroSHIFT Advent 9 Speed, W/O Clutch

Shift Levers

MicroSHIFT, 8-speed

Wheels & Tires

Rear Tire

Pathfinder Sport, 700x42mm

Rims

700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h

Front Tire

Pathfinder Sport, 700x42mm

Rear Hub

Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h

Front Hub

Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h

Spokes

Stainless, 14g

Inner Tubes

Schrader valve, 40mm

Accessories

Pedals

Specialized Body Geometry Fitness, platform, plastic

* 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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XXSXSSMLXL
Crank Lengthmm
Handlebar Widthmm
Stem Lengthmm
Saddle Widthmm
Seatpost Lengthmm
Stack536mm555mm563mm593mm608mm633mm
Reach373mm388mm393mm398mm402mm414mm
Head-Tube Length121mm139mm147mm175mm191mm217mm
Head-Tube Angle69.5°70°70°71°71°71°
B-B Height288mm288mm288mm288mm288mm288mm
B-B Drop70mm70mm70mm70mm70mm70mm
Trail79mm76mm76mm69mm69mm69mm
Fork Length (full)395mm395mm395mm395mm395mm395mm
Fork Rake/Offset51mm51mm51mm51mm51mm51mm
Front-Centre606mm623mm631mm636mm645mm665mm
Chain-Stay Length440mm440mm440mm440mm440mm440mm
Wheelbase1036mm1053mm1061mm1067mm1076mm1096mm
Top-Tube Length (horizontal)532mm552mm560mm574mm582mm602mm
Bike Stand-Over Height702mm725mm755mm785mm815mm837mm
Seat-Tube Length360mm395mm440mm470mm510mm530mm
Seat-Tube Angle73.5°73.5°73.5°73.5°73.5°73.5°
Geometry

Rider Reviews

  • 4.1
  • 29 Reviews

A great bike with thousands of KM to prove it!

I purchased my Sirrus X 2.0 in Dec 2020 and have never looked back. I cycle heavily (over 6,600km covered between Dec '20 and Nov '22). Whether on-road or off-road, I haven't had any issues. I clean it often, including the chain and cassette, but it has had full services along the way. Mudguards were installed, however, they are not an easy clip-and-play...they took hours to put on! Highly recommend the bike for daily commuting and longer rides.

Would Recommend?
Yes!

Name:
Alexa

Helpful?

Awesome platform

After riding a mountain bike for the wrong application (city/gravel trails), this is like getting a super car. It is incredibly lightweight, agile, and quick. I feel like i can really push myself on this bike without getting fatigued from over pedaling, like you would on a mountain bike. The hydraulic brakes are super responsive, and noiseless after a proper bed in. My favorite feature are the hybrid tires. They have little rolling resistance on pavement, and the bite you need on gravel. I would recommend this bike to anyone looking to commute to work, or just something that isn't quite road/mountain but more of an in between. If only cities would accommodate those of us that want to bike more, as most places have limited dedicated areas. Hopefully that will change one day.

Would Recommend?
Yes!

Name:
Scott

Helpful?

Great bike, for both off-road

Great bike, for both off-road and road. Gears shift fairly smooth. All black frame looks really good.

Would Recommend?
Yes!

Verified Buyer

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Name:
Guest G.

Helpful?

Beautiful looking bike

The bike is aesthetically correct and the colour is an unusual dusty turquoise. It is comfortable and at first it was much faster. Unfortunately it has suffered the same chain issues and that has damages the chain guard and chipped the paintwork. Bike still looks great but it will cost me to repair or replace the faulty parts. Disc brakes are awesome though.

Would Recommend?
Yes!

Name:
paul

Helpful?

Chain and gears update

I wrote a review about how the chain and gears are useless on this otherwise great bike. When I took it back to ship the first time, they just adjusted the derailleur, which only helped for a couple of days. I took it back a second time... they found the real problem, which was the rear wheel cogs not being properly aligned and tightened... they fixed this and the bike has been a dream since... doesn't slip gears, chain hasn't come off.... so if you experience this problem with the bike I recommend getting your retailer to look specifically at this.

Would Recommend?
Yes!

Name:
Jason

Helpful?

Reliable bike

I’ve had this bike for a yr now and only cover @ 50miles a wk on it – road & baths. Use it for work and it’s never let me down. Lovely ride, smooth gears and braking v.good. The only issues I’ve had are the peddles, one sheered off while on the bike!! And the bearings around the peddles are creaking so need to change them. Purchased from Bristol, good service. Other than that, I love the bike as do my sons!!

Would Recommend?
Yes!

Name:
Jools

Helpful?

Chain issue and gear issue

When I first got the bike, the chain would fall off constantly and I would have problems changing the gear. I had to bring it back to the shop several times before the issue was resolved. Now, I don't have the chain problem, however, the gears don't change as smooth as I would want it to be. Sometimes it is stuck in one gear before it changes.

Would Recommend?
Yes!

Name:
Kemar

Helpful?

Love it! It's solid, smoother

Love it! It's solid, smoother and beyond functional.

Would Recommend?
Yes!

Verified Buyer

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Name:
Chris C.

Helpful?

Good bike not great

I bought in covid 2020 hard to get had to drive far to get , I've replaced alot right away with carbon handle bar / seat / seat stem carbon / rear rack / pedals etc have had the chain come off ---- thinking about selling this bike in great condition actually better than new one ---- I have a old 96 stump jumper thinking about converting to Hybrid not rims though and keeping this Great Bike

Would Recommend?
Yes!

Name:
Robert

Helpful?

Love this bike! (After mods)

So I purchased my Sirrus X 2.0 in June of 2020, and I’ve been riding it every other day since! Comfortable ride position, great handling, lightweight hybrid with bigger tires for the trails, strong disc brakes, and clean styling. Yes, I experienced the chain coming off the front as you accelerated and it was frustrating. But the great service crew at Roseville Cyclery were able to obtain a rear derailleur with a clutch from Specialized that fixed the problem. I can ride it anywhere now and the chain stays on. This bike can’t be a better value at its price point. Most of all, it’s just fun to ride!

Would Recommend?
Yes!

Name:
Greg

Helpful?