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2017 Specialized

Sirrus Disc

A 700c aluminum frame fitness bike with modest components and mechanical disc brakes.
Compare the full range

FrameAluminum
SuspensionRigid
ForkSteel
Wheels700c Aluminum
Drivetrain3 × 8
GroupsetTourney, Altus
BrakesMechanical Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Sirrus Disc
Other Fitness bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

61 km/h

Sirrus Disc

57 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

156cm – 166cm

SM

163cm – 174cm

MD

171cm – 182cm

LG

179cm – 189cm

XL

185cm – 195cm

🐐 Estimated

Rider Fit Notes
  • 173cm, size SM, Just right
  • 185cm, size MD, Just right
Reviews
road.cc
Specialized Sirrus Alloy

oct 2018 · Matt Lamy

Great frame and excellent ride quality at its core, but let down by the spec – spend more for the next model up

Read Review

Bicycling
Let Your Fitness Journey Begin with the Specialized Sirrus Pro Carbon

ago 2018 · Matt Jacobs

With head-tube suspension and hill-friendly gearing, this is one of the easiest-riding fitness bikes we’ve tested

Read Review

BikeRadar
Specialized Sirrus Alloy Disc review

mar 2018 · Seb Stott

Upright, safe-handling hybrid but slightly slow and jarring on bumpy roads. Buy if you want a commuter that won’t let you down

Highs
  • Comfortable position especially for beginners, reliable, solid braking

Lows
  • Stiff fork and tyres can be harsh, position, weight and tyres hamper speed

Read Review

Cycling Weekly
Specialized Sirrus

jul 2016 · Henry Robertshaw

We test Specialized's entry-level hybrid bike

Highs
  • Great value

  • Impressive shifting

  • Fairly comfortable

Lows
  • Sluggish

  • Overly-upright position

Read Review

Geometry
Specs
Build
Frame

Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts

BB StandardBSA, Threaded

Fork

Steel, straight blades, IS disc mount, fender/rack mounts

Bottom Bracket

BSA, square taper, cartridge bearings

Stem

Alloy, 4-bolt, 20-degree rise, 25.4mm clamp

Handlebar

Specialized, alloy, 9-degree backsweep, 25.4mm

Saddle

Canopy Sport, steel rails

Seatpost

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

TypeRigid

Pedals

Specialized Fitness platform

Groupset
Rear Derailleur

Shimano Altus, 8-speed

Front Derailleur

Shimano Tourney, top swing, dual pull, 31.8mm band clamp

Crank

Stout, forged alloy, 48/38/28T w/chainguard

Shifters

Shimano EF500, EZ Fire Plus, 8-speed

Cassette

Shimano, 8-speed, 11-32t

Chain

KMC X8, 8-speed w/reusable MissingLink

Brakes

Front: Mechanical disc, resin pads, 160mm, Rear: Mechanical disc, resin pads, 160mm

TypeMechanical Disc

Wheels
Rims

Disc, 6061 aluminum double-wall

Spokes

Stainless, 14g

Front Hub

Specialized disc, double-sealed, loose ball bearings, 9mm QR

Rear Hub

Specialized disc, loose ball bearings, for Shimano 8-/9-speed cassettes, QR

Tires

Front: Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection, Rear: Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection

Rider Notes
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First added 6 de noviembre

Last updated 6 de noviembre

Not listed for 2,406 days