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Description
The Sirrus Comp Disc provides road bike geometry with flat bar handling so you can ride fast on longer rides, but also be stable and quick in town. The hydraulic disc brakes mean you'll have confidence to ride regardless of the weather or what you're carrying on your racks.
FRAME | Specialized E5 Premium Aluminum disc, fully-manipulated butted tubing w/ smooth welds, internal cable routing, tapered/integrated headset, fender/rack eyelets |
FORK | Sirrus disc, Cr-Mo steerer, aluminum crown/lowers |
HEADSET | 1-1/8" FSA Campy style, integrated cartridge, 15mm alloy cone spacer |
STEM | Specialized Elite-Set, 3D forged alloy, 4-position adjustable, 4-bolt, 31.8mm clamp |
HANDLEBARS | Specialized flat bar, double-butted alloy, 10-degree backsweep, 31.8mm |
TAPE | Specialized Body Geometry Targa, lock-on w/ integrated bar end |
FRONT BRAKE | Tektro Draco 2, hydraulic disc, 160mm rotor |
REAR BRAKE | Tektro Draco 2, hydraulic disc, 160mm rotor |
FRONT DERAILLEUR | Shimano |
REAR DERAILLEUR | Shimano 105 |
SHIFT LEVERS | Shimano SL-R440R |
CASSETTE | Shimano HG-50, 9-speed, 11-25 |
CHAIN | KMC X9 |
CRANKSET | FSA Omega, forged alloy |
CHAINRINGS | 50/34 |
BOTTOM BRACKET | FSA, sealed bearings |
PEDALS | Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable |
FRONT WHEEL | AXIS 1.0 Disc |
REAR WHEEL | AXIS 1.0 Disc |
FRONT TYRE | Specialized Espoir Sport, 60TPI, wire bead, double BlackBelt protection, 700x28c |
REAR TYRE | Specialized Espoir Sport, 60TPI, wire bead, double BlackBelt protection, 700x28c |
INNER TUBES | Standard presta valve |
SADDLE | Body Geometry Targa Comp, Cr-Mo rails, 143mm |
SEATPOST | Alloy, 2-bolt, 12.5mm offset, 27.2mm |
SEAT BINDER | Alloy, 31.8mm |
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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Q&A
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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 42% 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.
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Important Update for Our Canadian Customers
We regret to inform you that shopping on Sigma Sports is temporarily unavailable for customers based in Canada.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our Canadian community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team