Specialized ROLL ROLL SPORT TW 2021
2021 Urban
Estimate price |
638$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Altus, Tourney -
Suspension Rigid -
Brakes Mechanical Disc
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, 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
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
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 |
Model Overview
ROLL ROLL SPORT TW is a Specialized Roll model. 70 bikes variations carry this model name so far. You can easily view all of the Specialized Roll bikes models from 2021, here.
Model range prices
Specialized ROLL ROLL SPORT LOW ENTRY TW 2021 is the most economical model, with a starting price of 573$. Specialized Roll Elite – Low-Entry 2021 on the other hand costs 1100$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Comfort bikes
Our math shows that the average cost of a dependable Comfort bike is 360$. However, even though the average price of a Comfort bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
This bike was released in 2021 and its price was 573$. Doing a quick comparison, we notice that ROLL ROLL SPORT TW price is 59.17% more expensive than the average cost of a Comfort bike.
Overview of components
Fork material
The fork 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
The ROLL ROLL SPORT TW 2021 bike is equipped with aluminum wheels when leaving the factory. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, they don’t perform so well when you go over bumps and obstacles.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
ROLL ROLL SPORT TW comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.