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.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Specialized Sirrus X 4.0 Disc Hybrid Bike
Technical Specification
| Frame | Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/mudguard mounts |
| Fork | Specialized Carbon monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock-compatible steerer |
| Headset | N/A |
| Bottom Bracket | Threaded BSA 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 | Shimano BR-MT200, hydraulic disc, 160mm |
| Rear Brake | Shimano BR-MT200, hydraulic disc, 160mm |
| Brake Levers | Shimano BR-MT200, hydraulic disc |
| Front Derailleur | N/A |
| Rear Derailleur | Shimano Deore, Shadow Plus, GS cage, 10-speed |
| Shift Levers | Shimano Deore, 10-speed |
| Cassette | SunRace, 10-speed, 11-42t |
| Crankset | Specialized 3-piece, alloy forged arms, 40t, narrow-wide aluminium |
| Front Wheel | Specialized Alloy, Centre-Lock disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24h hub with 700C disc, double-wall alloy, 22mm depth, 21mm internal width rim |
| Rear Wheel | Specialized Alloy, Centre-Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28h hub with 700C disc, double-wall alloy, 22mm depth, 21mm internal width rim |
| Front Tyre | Specialized Pathfinder Sport, 700x38mm clincher |
| Rear Tyre | Specialized Pathfinder Sport, 700x38mm clincher |
| Saddle | Specialized Bridge Sport, Hollow Cr-mo 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 included), 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. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
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