Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Acera -
Suspension Rigid -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, fully manipulated butted tubing, integrated lower bearing, fender/rack eyelets
Suspension Fork
A1 Premium Aluminum, Cr-Mo steerer, fender/rack eyelets
Drivetrain
Rear Derailleur
Shimano Acera, 9-speed
Front Derailleur
Shimano Acera, top swing, dual-pull
Shift Levers
Shimano Acera Rapidfire Plus, 2x9, w/ optical display
Cassette
Shimano, 9-speed, 11-32
Crank
Forged alloy, 9-speed, square spindle, w/ chainguard
Bottom Bracket
Square taper, cartridge bearings
Chain
KMC X9, 9-speed, reusable Missing Link
Pedals
Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
Wheels
Front Hub
Specialized Hi Lo disc, alloy double-sealed, ground race, QR, 32h
Rear Hub
Specialized Hi Lo disc, alloy, double-sealed, loose ball bearings, QR, 32h
Rims
700c disc, alloy double-wall, pin joint, 32h
Spokes
Stainless, 14g, w/ brass nipple
Tires
Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c
Brakes
Brakes
Tektro Auriga, hydraulic disc, resin/metallic pads, tooled reach adjust
Cockpit
Stem
Specialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
Handlebar
Specialized flat, 6061 double butted alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm
Headset
1-1/8"" FSA integrated cartridge lower, external sealed upper bearings
Seat
Saddle
Body Geometry Targa Sport, steel rails, 155mm
Seatpost
Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm, anti-corrosion hardware
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Front Center | 621 mm | 629 mm | 637 mm | 647 mm | 667 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 70 mm | 67 mm | 63 mm | 60 mm | 60 mm |
| Top Tube Length | 550 mm | 565 mm | 575 mm | 595 mm | 615 mm |
| Seat Tube Angle | 73.5 ° | 73.25 ° | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 395 mm | 440 mm | 485 mm | 530 mm | 570 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° | 72 ° | 72 ° |
| Head Tube Length | 130 mm | 150 mm | 165 mm | 190 mm | 225 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1051 mm | 1060 mm | 1068 mm | 1077 mm | 1098 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 711 mm | 745 mm | 781 mm | 816 mm | 854 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
About this model
Sirrus Sport Disc is part of the Specialized Sirrus model. Specialized launched 176 bikes of this model so far. Take a sneak peek at all Specialized Sirrus bikes models from 2015, by clicking here.
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.
Fitness bikes average price
If you want to purchase a solid Fitness bike, it is important to know that the average cost is 656$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Fitness bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Sirrus Sport Disc components
Fork material
The fork is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels size
When leaving the production line, the Sirrus Sport Disc model has 700c aluminum wheels. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Sirrus Sport Disc is equipped with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, finding one for you shouldn’t be a problem.