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2011 Specialized

Sirrus

A 700c aluminum frame fitness bike with modest components and rim brakes.
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FrameAluminum
SuspensionRigid
ForkSteel
Wheels700c Aluminum
Drivetrain3 × 7
GroupsetAltus
BrakesRim
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Insights
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)

35 mph

Sirrus

35 mph

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Highest gear

(descending)

Specs
Build
Frame

Specialized A1 Premium aluminum, fully manipulated tubing, smooth weld compact design, internal cable routing, integrated headset,fender and rack eyelets

Fork

Straight blade steel fork w/ rack eyelets

Bottom Bracket

Sealed cartridge, square taper, 68mm

Headset

1-1/8"" sealed Cr-Mo bearings integrated w/ headset, 20mm alloy cone spacer with 20mm of spacers

Stem

Alloy, CP bolt, 25.4mm

Handlebar

Alloy, small rise, 25.4mm

Saddle

Body Geometry Riva Road, 155mm width

Seatpost

Alloy, two-bolt clamp, 30.9mm

TypeRigid

Pedals

Nylon flat pedal w/ reflectors

Groupset
Rear Derailleur

Shimano Altus

Front Derailleur

Shimano, dual pull, top swing

Crank

Shimano FCM131

Shifters

Shimano EF-51, EZ Fire

Cassette

SRAM, 7-speed, 12-32t

Chain

KMC Z-7, 12"" x 3/32""

Brakes

Front: Die cast aluminum, 108mm linear pull, Rear: Die cast aluminum, 108mm linear pull

TypeRim

Brake Levers

Shimano EF-51 integrated w/ shifter

Wheels
Rims

Alex AS-14, double wall

Spokes

Stainless 14g

Front Hub

Forged alloy, sealed, QR, 32h

Rear Hub

Forged alloy, double-sealed, cassette, QR, 32h

Tires

Front: Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection, Rear: Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection

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First added July 9

Last updated July 9

Not listed for 2,521 days