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2009 Specialized

Sirrus Expert

A 700c aluminum frame fitness bike with mid-range components and rim brakes.
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FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain3 × 9
Groupset105, Tiagra
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)

63 km/h

Sirrus Expert

57 km/h

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Highest gear

(descending)

Geometry
Specs
Build
Frame

Specialized A1 Premium Aluminum, fully manipulated tubing, compact design, integrated headset, FACT carbon seatstays w/ Zertz inserts

Fork

Specialized FACT carbon, full carbon construction w/ Zertz inserts

Bottom Bracket

Sealed cartridge, square taper, 68mm x 113mm

Headset

Specialized Mindset, 1-1/8"" integrated threadless, steel cage bearings, 40mm alloy cone

Stem

Specialized Comp-Set, 3D forged alloy, 4-bolt 31.8mm bar clamp, 4- position adjustable

Handlebar

Specialized Event, flat 5 degree bend, butted 2014 alloy, 31.8 clamp

Saddle

Body Geometry Sonoma, 155mm width

Seatpost

Specialized carbon wrapped, two-bolt clamp, 27.2mm

TypeRigid

Pedals

Silver cage, black body, w/ toe clip and strap

Grips

Body Geometry Comfort II, triple density gel w/ bar end

Groupset
Rear Derailleur

Shimano 105, long cage

Front Derailleur

Shimano Tiagra

Crank

Sugino Comp, five arm, polished

Shifters

Shimano Tiagra, 9-speed flat bar shifter

Cassette

SRAM PG 950, 9-speed 11-28t

Chain

Shimano HG73, 9-speed

Brakes

Front: Forged linear pull brakes w/ cartridge pads, Rear: Forged linear pull brakes w/ cartridge pads

TypeRim

Brake Levers

Avid FR-5, alloy, two-finger, linear pull

Wheels
Rims

Mavic CXP22 rim, alloy triple-wall, machined sidewalls, 28/32h w/ eyelets

Spokes

DT Champion, stainless 14g w/ ProLoc brass nipples

Front Hub

Specialized forged alloy, 28h, sealed ball bearings, QR

Rear Hub

Specialized forged alloy, 32h, double sealed ball bearings, cassette, QR

Tires

Front: Specialized All Condition Armadillo Elite, 700x28c, Aramid bead, 120TPI, Rear: Specialized All Condition Armadillo Elite, 700x28c, Aramid bead, 120TPI

Rider Notes
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First added 9 July

Last updated 9 July

Not listed for 2,526 days