Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.
We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.
We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.
Specialized Sirrus X 2.0 Step Through Disc Hybrid Bike
The Sirrus X 2.0 Step Through Disc Hybrid Bike has been designed by Specialized to make taking the bike the easy option. The lightweight A1 Premium Aluminium frame with internal cable routing and Plug + Play mounts for a rack or mudguard also features step through geometry to increase confidence and make mounting and dismounting straightforward.
The bike benefits from Promax F1 hydraulic disc brakes for great stopping power with a light action, and large volume Pathfinder Sport tyres for comfort, grip and the ability to head off the tarmac and explore alternative tracks and trails. The MicroSHIFT Advent 8-speed drivetrain has a wide-range cassette and a single front ring that combines simplicity of operation with plenty of ratios, making selecting the right gear an easy task.
- A1 Premium Aluminium frame with step-through geometry and Plug + Play rack/mudguard mounts
- Wide-range MicroSHIFT Advent 8-speed gears
- Promax F1 hydraulic disc brakes
- Comfortable Pathfinder Sport 700x42mm tyres
|Frame||Specialized A1 Premium Aluminium, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/mudguard mounts|
|Fork||Specialized Hi-Ten steel, flat-mount disc, Plug + Play mudguard mounts, low rider rack mounts, quick-release|
|Bottom Bracket||BSA, square-taper, 68mm|
|Stem||Specialized, 3D-forged alloy, 4 bolt, 7-degree rise|
|Handlebar||Specialized Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm|
|Front Brake||Promax F1 hydraulic disc, flat-mount, 160mm|
|Rear Brake||Promax F1 hydraulic disc, flat-mount, 160mm|
|Brake Levers||Promax F1 hydraulic disc|
|Rear Derailleur||MicroSHIFT Advent 8-speed|
|Shift Levers||MicroSHIFT, 8-speed|
|Cassette||MicroSHIFT, 8-speed, 12-42t|
|Crankset||Specialized 3-piece, alloy forged arms, 40t, narrow-wide steel|
|Front Wheel||Specialized Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h hub with 700C disc, double-wall alloy, 22mm depth, 21mm internal width rim|
|Rear Wheel||Specialized Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h hub with 700C disc, double-wall alloy, 22mm depth, 21mm internal width rim|
|Front Tyre||Specialized Pathfinder Sport, 700x42mm clincher|
|Rear Tyre||Specialized Pathfinder Sport, 700x42mm clincher|
|Saddle||Specialized Bridge Sport, steel rails|
|Seatpost||Specialized alloy, 12mm offset, 2-bolt clamp, 27.2mm|
|Accessories||Specialized Body Geometry Fitness, platform, plastic pedals|
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.
Specialized Sirrus X 2.0 Step Through Disc Hybrid Bike Sizing
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