Specialized Sirrus X 5.0 bicycle
The X of the Sirrus X means components that allow you to tackle various types of terrain. Comfort, lightness, speed and performance on the asphalt but also off-road. The frame is made of lightweight carbon with the 'Compliance Junction' that provides a rare handling for such a comfortable bike. The wide section tires and disc brakes allow you to ride anywhere.
Rider-First Engineered™: As with all Specialized carbon frames, the layup and tubing are size-specific to ensure the perfect combination of stiffness, weight, and responsiveness for every rider, no matter what size.
Comfort: The Compliance Junction provides a slight degree of flex without compromising performance or efficiency. The result is a very agile and maneuverable Sirrus for everyday commuting. The Future Shock absorber absorbs vibrations and small bumps from the road or trail.
Versatile and Customizable: The predisposition for mounting a roof rack, mudguards make this Sirrus X the perfect means for daily transport to work. At the same time, with the clearance for tires up to 42c you can also equip yourself for frequent off-road use.
- 9r carbon fiber frame with internal cable routing.
- Thanks to our Rider-First Engineered™ approach, the geometry of each frame size is specifically designed to achieve the perfect blend of stiffness, light weight, and responsiveness.
- Thanks to the Compliance Junction, the frame provides just the right amount of flex and comfort, without compromising performance and efficiency.
- The Future Shock 1.5 device in the head tube absorbs vibrations and reduces fatigue in the hands and arms.
- The Pathfinder 38c tires are perfect for any type of terrain, providing traction and comfort.
- Minimalistic and efficient SRAM NX Eagle X1 transmission.
- Hydraulic disc brakes with 160mm rotors
- Frame prepared for mounting pannier racks and mudguards (Drytech 51c compatible).
Technical specifications
Chassis
- Frame : Specialized FACT 9r carbon frame, fitness geometry, 1x drivetrain, 12x142 thru axle, internal cable routing, flat-mount disc brake, Plug + Play rack/mudguard mounts
- Collar: Integrated into the frame
Suspensions
- Fork: Specialized FACT 9r Monocoque Carbon, flat-mount disc brake, 12x100mm thru axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Cockpit
- Handlebar: Double-braced alloy, 9-degree downslope, 15mm rise, 31.8mm diameter
- Stem : Future Stem, Comp
- Handlebar tape : Specialized Neutralizer, Body Geometry, lock-on grip
- Saddle: Body Geometry Power Sport, steel rails
- Seatpost: Alloy, two bolt, 14mm offset, 27.2mm diameter
Brakes
- Front brake : Tektro HD-R510, hydraulic disc brake, 160 mm
- Rear brake : Tektro HD-R510, hydraulic disc brake, 160 mm
Transmission
- Shifters : SRAM SL NX Eagle Trigger
- Rear Derailleur : SRAM NX Eagle, 12-speed
- Cassette : SRAM PG-1210 Eagle, 11-50 teeth
- Crankset: SRAM S650, 3-piece, Powerspline
- Gears: 38 teeth
- Bottom bracket : SRAM Powerspline
- Chain : SRAM NX Eagle, 12 speed
Wheels and Tires
- Rims: 700C disc, double wall alloy, 30mm deep, 21mm internal width
- Front hub : Alloy, sealed bearings, Center Lock, 12x100mm thru axle, 24 holes
- Rear hub : Alloy, sealed bearings, Center Lock, 12x142mm thru axle, 28 holes
- Spokes: 14g steel
- Front tire : Pathfinder Pro, 2Bliss Ready, 700x38 mm
- Rear tire : Pathfinder Pro, 2Bliss Ready, 700x38 mm
- Inner tubes : 700x28/38 mm, 48 mm Presta valve
Accessories
- Pedals: VP Platform, alloy body
Specifications are subject to change without notice based on component availability.
The image is purely indicative and may not fully reflect the characteristics of the product .
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A Complete Guide to Bike Sizes
Foreword: Not all bike sizes are the same
Each type of bike has a specific frame and often uses a different size scale. For example, a road bike with a 54cm frame might be considered a medium size by one brand, but a large by another.
Bicycle adjustment margins
Some types of bikes, like gravel bikes, offer a wide range of adjustments, adapting to different body types. Other models, however, have limitations in this regard. This is an important aspect to consider.
How to use size charts
We've created a simple guide to help you find the right bike size:
- Check out our size charts for each bike type.
- Learn more with specific tips to help you make the right choice.
Size Charts: Find Your Perfect Bike
Gravel and road bikes
Sizes are based on the length of the top tube (in cm), which determines the reach of the bike.
| Cut | Recommended height | Horizontal tube length |
|---|---|---|
| XS | Up to 157 cm | 48-50 cm |
| S | 157-167 cm | 50-53 cm |
| M | 168-178 cm | 53-56 cm |
| THE | 178-185 cm | 56-58 cm |
| XL | Over 185cm | 58-62 cm |
For gravel, measurements may vary slightly due to different geometries, but remain similar.
Mountain bike
MTBs are measured in inches, based on the seat tube.
| Cut | Recommended height | Size (in inches) |
|---|---|---|
| XS | Up to 157 cm | 14"-16" |
| S | 157-167 cm | 15"-17" |
| M | 168-178 cm | 16"-19" |
| THE | 178-185 cm | 18"-20" |
| XL | Over 185cm | 20"-23" |
Sizes also vary depending on the type of MTB: full-suspension , hardtail or fat bike .
Children's bikes
The size depends on the size of the wheels, often associated with age:
| Age | Wheel Size |
|---|---|
| 1-3 years | 12" |
| 2-4 years | 14" |
| 4-6 years | 16" |
| 5-8 years | 20" |
| 8-10 years | 24" |
| Over 10 years | 26"/27.5" |
What to do with half measures?
If you are between two sizes:
- Comfort : Choose the larger size.
- Performance : Go for the smaller size.
Final tips for choosing
- Consult the manufacturer's instructions : Always check the brand's guidelines.
- Ask an expert : a specialized workshop can help you choose based on your height, ideal reach and goals.
- Test the bike : If possible, test the model you intend to purchase.
- - Returned within 14 days
- - Secure payments
- - Price valid only for online purchase
