Compare: 2017 Specialized Roll

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	Roll2017 Specialized	Recommended

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Insights

Gamme de vitesse

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)

39 km/h

Roll

Highest gear

(descending)

Géométrie

Spécifications

	Roll2017 Specialized

Cadre	Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, fender/rack mounts Norme BB: BSA, Fileté
Fourche	Roll Disc Steel, fender/rack mounts
Pédalier	BSA, square taper, cartridge bearings
Tige	Forged alloy, 17-degree rise, 31.8mm clamp
Guidon	Specialized Roll, 6061 alloy, 15-degree backsweep, 5-degree upsweep, 125mm rise, 31.8mm
Selle	Body Geometry The Cup, steel rails, 245mm
Tige de selle	Alloy, 12mm offset, 2-bolt clamp, 27.2mm Type: Rigide
Pédales	Specialized City platform

Groupe

Derailleur arriere	Shimano Tourney, 7-speed
Manivelle	Cold-forged alloy crankarms, 3-piece construction, 104mm BCD spider, 4-arm w/steel chainring, 42T w/steel chainguard
Manettes	Shimano Altus, 7-speed
Cassette	Shimano Tourney freewheel, 7-speed, 14-34t
Chaîne	KMC Z51, 7-speed
Freins	Front: Tektro V-brake, linear pull, Rear: Tektro V-brake, linear pull Type: Tektro Sur jante

roues

Jantes	650b rim brake, double-wall aluminum, 16mm rim depth, 30.4mm internal width, 32h
Rayons	Stainless, 14g
Moyeu avant	Specialized V-brake, alloy, loose ball bearings, 9mm, QR
Moyeu arrière	Specialized V-brake, loose ball bearings, QR, 32h
Pneus	Front: Nimbus Sport, 60 TPI, BlackBelt protection, 650b x 2.3"", Rear: Nimbus Sport, 60TPI, 650bx2.3"", BlackBelt protection

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