Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Deore -
Suspension Rigid -
Drivetrain 1 × 10 -
Brakes Hydraulic 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
A1 Premium Aluminum, Cr-Mo steerer, post mount disc, fender/rack mounts
Drivetrain
Rear Derailleur
Shimano Deore, Shadow Plus design, SGS cage, 10-speed
Shift Levers
Shimano Deore, 10-speed
Cassette
Sunrace, 10-speed, 11-40t
Crank
Forged alloy, square taper, 104BCD spider, 42T w/ chainguard
Bottom Bracket
BSA, square taper, cartridge bearings
Chain
KMC X10, 10-speed w/ Missing Link™
Pedals
Specialized City, platform
Wheels
Front Hub
Alloy, 6-bolt disc, loose ball bearing, QR, 32h
Rear Hub
Alloy, 8/9-speed freehub, 6-bolt disc, loose ball bearings, quick-release, 36h
Rims
Double wall, 32h front 36h rear, disc only
Spokes
Stainless, 14g
Tires
Nimbus Sport Reflective, 650bx2.3", 60 TPI w/ BlackBelt Protection
Brakes
Brakes
Tektro Auriga, hydraulic disc, organic pads, 160mm rotor
Cockpit
Stem
Specialized Flowset, 3D-forged alloy, 20-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, elastomer base, steel rails, SWAT™ compatible mounts, 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 | 1.71 mm | 1.77 mm | 1.76 mm | 1.72 mm |
| Bottom Bracket Height | 285 mm | 285 mm | 285 mm | 285 mm |
| Front Center | 618 mm | 626 mm | 654 mm | 685 mm |
| Rake | 55 mm | 55 mm | 55 mm | 55 mm |
| Trail | 77 mm | 77 mm | 77 mm | 84 mm |
| Stack | 578 mm | 611 mm | 639 mm | 662 mm |
| Reach | 338.2 mm | 344.3 mm | 362.4 mm | 384 mm |
| Top Tube Length | 587 mm | 607 mm | 637 mm | 668 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 | 1081 mm | 1089 mm | 1118 mm | 1148 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 722 mm | 779 mm | 816 mm | 842 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 Comp X1 is a Specialized Roll model. Specialized launched 70 bikes of this model so far. You can easily view all of the Specialized Roll bikes models from 2018, here.
Model range prices
Specialized Roll – Low-Entry – 2018 2018 is the most affordable bike of this model and has a price of 510$. On the other hand, Specialized Roll Comp X1 2018, is the most expensive and costs 910$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Comfort bikes
According to our math, the average price for a trustworthy Comfort bike is 360$. However, even though the average price of a Comfort bike is lower, you might still be able to get a top-quality bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Specialized released this model in 2018, its price was 910$. Comparing the average cost of a Comfort bike to this one, you will see that Roll Comp X1 price is 152.78% higher.
Roll Comp X1 components
Fork material
Roll Comp X1 has an aluminum fork, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
When leaving the production line, the Roll Comp X1 model has aluminum wheels. 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
When you want to stop the bike in time, the brakes are vital. The Roll Comp X1 has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
Specialized Roll Comp X1 bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.