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2017 Specialized

Roll Low Entry

A 650b aluminum frame comfort bike with mid-range components and tektro rim brakes.
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FrameAluminum
SuspensionRigid
ForkSteel
Wheels650b Aluminum
Drivetrain1 × 7
GroupsetTourney, Altus
BrakesTektro Rim
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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)

25 mph

Roll Low Entry

29 mph

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Highest gear

(descending)

Geometry
Specs
Build
Frame

Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, disc mount, fender/rack mounts

BB StandardBSA, Threaded

Fork

Roll Disc Steel, fender/rack mounts

Bottom Bracket

BSA, square taper, cartridge bearings

Stem

Forged alloy, 17-degree rise, 31.8mm clamp

Handlebar

Specialized Roll, 6061 alloy, 15-degree backsweep, 5-degree upsweep, 125mm rise, 31.8mm

Saddle

Body Geometry The Cup, steel rails, 245mm

Seatpost

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

TypeRigid

Pedals

Specialized City platform

Groupset
Rear Derailleur

Shimano Tourney, 7-speed

Crank

Cold-forged alloy crankarms, 3-piece construction, 104mm BCD spider, 4-arm w/steel chainring, 42T w/steel chainguard

Shifters

Shimano Altus, 7-speed

Cassette

Shimano Tourney freewheel, 7-speed, 14-34t

Chain

KMC Z51, 6-/7-speed

Brakes

Front: Tektro V-brake, linear pull, Rear: Tektro V-brake, linear pull

TypeTektro Rim

Wheels
Rims

650b rim brake, double-wall aluminum, 16mm rim depth, 30.4mm internal width, 32h

Spokes

Stainless, 14g

Front Hub

Specialized V-brake, alloy, loose ball bearings, 9mm, QR

Rear Hub

Specialized V-brake, loose ball bearings, QR, 32h

Tires

Front: Nimbus Sport, 60 TPI, BlackBelt protection, 650b x 2.3"", Rear: Nimbus Sport, 60TPI, 650bx2.3"", BlackBelt protection

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First added November 6

Last updated November 6

Not listed for 2,401 days