Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Altus -
Suspension Rigid -
Brakes Rim
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
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 formed tubes, V-brake, fender/rack mounts
Drivetrain
Rear Derailleur
Shimano Altus, 7-/8-speed
Shift Levers
Shimano Altus, 7-speed
Crank
Alloy, 3-piece, 44/32/22T
Chain
KMC Z7, 7-speed w/ Missing Link™
Pedals
Specialized City, platform
Wheels
Front Hub
Alloy, loose ball bearing, quick-release, 32h
Rear Hub
Shimano Tourney, 7-speed freehub, 135mm spacing, QR, 36h
Rims
650b disc, double-wall alloy, pinned, 32h
Spokes
Stainless, 14g
Tires
Nimbus II Sport, 650b x 2.3"
Brakes
Brakes
V-brake, linear pull
Cockpit
Stem
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
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, 2-bolt Clamp, 12mm offset, 27.2mm, anti-corrosion hardware
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.7 mm | 1.77 mm | 1.76 mm | 1.72 mm |
| Bottom Bracket Height | 285 mm | 285 mm | 285 mm | 285 mm |
| Front Center | 617 mm | 624 mm | 653 mm | 684 mm |
| Rake | 55 mm | 55 mm | 55 mm | 55 mm |
| Trail | 84 mm | 77 mm | 77 mm | 77 mm |
| Stack | 575 mm | 608 mm | 636 mm | 659 mm |
| Reach | 338 mm | 344 mm | 362 mm | 384 mm |
| Top Tube Length | 586 mm | 605 mm | 635 mm | 667 mm |
| Seat Tube Angle | 67 ° | 67 ° | 67 ° | 67 ° |
| Seat Tube Length | 375 mm | 440 mm | 480 mm | 520 mm |
| Head Tube Angle | 68 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 155 mm | 185 mm | 215 mm | 240 mm |
| Chainstay Length | 472 mm | 472 mm | 472 mm | 472 mm |
| Wheelbase | 1080 mm | 1087 mm | 1116 mm | 1147 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 793 mm | 842 mm | 873 mm | 903 mm |
| Wheels | 650 | 650 | 650 | 650 |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Roll belongs to the Specialized Roll model. 70 bikes variations carry this model name so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Specialized ROLL ROLL SPORT LOW ENTRY TW 2021 is the cheapest bike model and costs 573$. Specialized Roll Elite – Low-Entry 2021 is the most expensive one and costs 1100$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Comfort bikes
Our math shows that the average cost of a dependable Comfort bike is 360$. However, even if your budget is less than the average, you might still be able to get a top-quality Comfort bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 700$. In conclusion, this bike price is 94.44% higher than the price of the average Comfort bike.
Roll components
Fork material
Roll has a steel fork, so, it can add some extra weight to your bike. However, steel is a pretty tough and durable material.
Wheels
The wheels on Roll are the aluminum type. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, if speed is what you’re after, 700c wheels are a better fit.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Roll comes with Rim brakes. Slightly lighter than hydraulic brakes, rim brakes are a budget choice. However, they are not nearly as effective as hydraulic brakes are.
Sizes
Roll comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.