Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Tourney, Altus -
Suspension Rigid -
Drivetrain 1 × 7 -
Brakes Rim
Sizing
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, V-brake, fender/rack mounts
Suspension Fork
Steel, V-brake, fender/rack mounts
Drivetrain
Rear Derailleur
Shimano Tourney, 7-speed
Shift Levers
Shimano Altus, 7-Speed
Cassette
Shimano Tourney freewheel, 7-speed, 14-34t
Crank
Shimano Tourney, 3-piece, 42T w/ chainguard
Bottom Bracket
68mm, square taper, 124.5mm length
Chain
KMC Z51, 7-speed
Pedals
Specialized City, platform
Wheels
Front Hub
Alloy, loose ball bearings, quick-release, 32h
Rear Hub
Alloy, 7-speed freewheel, v-brake, loose ball bearings, quick-release, 36h
Rims
Double-wall, 32h front/ 36h rear
Spokes
Stainless, 14g
Tires
Nimbus Sport, 60 TPI, BlackBelt protection, 650b x 2.3"
Brakes
Brakes
Tektro V-brake, linear pull
Cockpit
Stem
Forged alloy, 17-degree rise, 31.8mm clamp
Handlebar
Specialized Roll, 6061 alloy, 15-degree backsweep, 125mm rise, 31.8mm
Grips
Specialized Body Geometry Contour, lock-on
Seat
Saddle
Body Geometry "The Cup," 6-degree rise, steel rails, 245mm
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.71 mm | 1.77 mm | 1.76 mm |
| Bottom Bracket Height | 285 mm | 285 mm | 285 mm |
| Front Center | 618 mm | 626 mm | 654 mm |
| Rake | 55 mm | 55 mm | 55 mm |
| Trail | 84 mm | 77 mm | 77 mm |
| Stack | 578 mm | 611 mm | 639 mm |
| Reach | 338.2 mm | 344.3 mm | 362.4 mm |
| Top Tube Length | 587 mm | 607 mm | 637 mm |
| Seat Tube Angle | 67 ° | 67 ° | 67 ° |
| Seat Tube Length | 375 mm | 440 mm | 480 mm |
| Head Tube Angle | 68 ° | 69 ° | 69 ° |
| Head Tube Length | 155 mm | 185 mm | 215 mm |
| Chainstay Length | 472 mm | 472 mm | 472 mm |
| Wheelbase | 1081 mm | 1089 mm | 1118 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm |
| Standover Height | 722 mm | 779 mm | 816 mm |
| Wheels | 650 | 650 | 650 |
| Rider Min Height | 158 cm | 168 cm | 176 cm |
| Rider Max Height | 170 cm | 179 cm | 187 cm |
About this model
Roll – 2018 belongs to the Specialized Roll model. Specialized released 70 bikes variations of this model so far. You can get a glimpse at all models from 2018, by clicking on this link.
Model range prices
Specialized Roll – Low-Entry – 2018 2018 is the cheapest bike model and costs 510$. Specialized Roll Comp X1 2018 is the most expensive one and costs 910$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Comfort bikes
According to our calculations, the average cost of a Comfort bike that is reliable is 360$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Comfort bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Furthermore, this bike was made available in 2018 for 510$. Comparing the average cost of a Comfort bike to this one, you will see that Roll – 2018 price is 41.67% higher.
Roll – 2018 components
Fork material
The fork on this bike is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels size
As for the wheels, Specialized Roll – 2018 2018, has a aluminum model. After 700c wheels, 650b is the second most popular choice for road bikes. However, if you want higher speeds, you should look for a bike with 700c wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Roll – 2018 comes with Rim brakes. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, they have problems in wet conditions.
Sizes
There are 3 sizes available for this model. Rider height can be anywhere between 158 cm – 187 cm (5.18 ft – 6.14 ft). In conclusion, you won’t have a problem finding one that suits you.