Specialized ROLL ROLL SPORT LOW ENTRY TW 2021
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 650b
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Groupset Altus, Tourney
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Suspension Rigid
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Brakes Mechanical Disc
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, post-mount disc, fender/rack mounts
Suspension Fork
Steel, IS mount disc, fender/rack mounts
Drivetrain
Rear Derailleur
Shimano Altus, 7-/8-speed
Front Derailleur
Shimano Tourney, top-swing, 31.8mm band clamp
Crank
Shimano Tourney, TY501, 46/30T w/ chainguard
Bottom Bracket
BSA, square-taper, 68mm
Chain
KMC Z7, 8-speed w/ reusable Missing Link™
Pedals
Specialized City, platform
Wheels
Front Hub
Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Rear Hub
Alloy, 6-bolt disc, 7-speed freehub, loose ball bearing, quick-release, 32h
Rims
650b disc, double-wall alloy, pinned, 32h
Spokes
Stainless, 14g
Tires
Nimbus II Sport, 650b x 2.3"
Brakes
Brakes
Mechanical disc brake, 160mm
Cockpit
Stem
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Grips
Specialized Body Geometry Contour, lock-on
Seat
Saddle
Body Geometry "The Cup," 6-degree rise, steel rails, 245mm
Seatpost
Spring suspension, alloy, 27.2mm, 2-bolt clamp
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.55 mm | 1.76 mm | 1.73 mm |
| Bottom Bracket Height | 285 mm | 285 mm | 285 mm |
| Front Center | 617 mm | 626 mm | 653 mm |
| Rake | 55 mm | 55 mm | 55 mm |
| Trail | 84 mm | 77 mm | 77 mm |
| Stack | 542 mm | 625 mm | 648 mm |
| Reach | 350 mm | 356 mm | 374 mm |
| Top Tube Length | 598 mm | 619 mm | 647 mm |
| Seat Tube Angle | 67 ° | 67 ° | 67 ° |
| Seat Tube Length | 370 mm | 450 mm | 500 mm |
| Head Tube Angle | 68 ° | 69 ° | 69 ° |
| Head Tube Length | 155 mm | 190 mm | 215 mm |
| Chainstay Length | 484 mm | 484 mm | 484 mm |
| Wheelbase | 1092 mm | 1101 mm | 1128 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm |
| Standover Height | 499 mm | 499 mm | 499 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 ROLL SPORT LOW ENTRY TW completes the Specialized Roll model. Specialized launched 70 bikes of this model so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Specialized ROLL ROLL SPORT LOW ENTRY TW 2021 is the most affordable bike of this model and has a price of 573$. On the other hand, Specialized Roll Elite – Low-Entry 2021, is the most expensive and costs 1100$.
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
If you want an acceptable Comfort bike you should know that the average price is 360$. However, even if your budget is less than the average, you might still be able to get a top-quality Comfort bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
This bike was released in 2021 and its price was 573$. Doing a quick comparison, we notice that ROLL ROLL SPORT LOW ENTRY TW price is 59.17% more expensive than the average cost of a Comfort bike.
Overview of 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
As for the wheels, Specialized ROLL ROLL SPORT LOW ENTRY TW 2021, has a aluminum model. After 700c wheels, 650b is the second most popular choice for road bikes. However, if speed is what you’re after, 700c wheels are a better fit.
Brakes
When you want to stop the bike in time, the brakes are vital. The ROLL ROLL SPORT LOW ENTRY TW has Mechanical Disc brakes. They are much easier to maintain than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
ROLL ROLL SPORT LOW ENTRY TW comes in 3 sizes, that range from 158 cm – 187 cm (5.18 ft – 6.14 ft). In short, it won’t be difficult to find the right one for you.
