Specialized Sirrus
The Sirrus 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 24-speed drivetrain with wide gearing allows top speed with hill climbing capabilities, too.
Features
- A1 Premium Aluminum fully-manipulated frame offers a great ride and versatility; with rack/fender mounts and wide tire clearance
- Straight blade steel fork with fender mounts gives you all the durability you need to manage potholes and rough roads
- Sirrus double-wall, machined alloy rims for strength and reliable braking; plus alloy, sealed cassette hub with stainless spokes
- Flak Jacket protection and a grooved tread make the Specialized Nimbus tires perfect for city or open road use
- Body Geometry Targa gel grips alleviate hand pain and tingling fingers for all-day riding comfort
- Specialized Body Geometry Targa Sport saddle has front/rear bumpers for durability and ample padding for comfort
Specifications
| FRAME | Specialized A1 Premium Aluminum, fully-manipulated butted tubing, integrated lower bearing, fender/rack eyelets |
| FORK | Specialized steel |
| HEADSET | 1-1/8" FSA integrated cartridge lower, external sealed upper bearings |
| STEM | Alloy, 4-bolt, 20-degree rise, 25.4mm clamp |
| HANDLEBARS | Specialized flat bar, alloy, 6-degree backsweep, 25.4mm |
| TAPE | Specialized Body Geometry Targa, dual compound |
| FRONT BRAKE | Die-cast, alloy V-brake, 60mm 1pc. pad, linear pull |
| REAR BRAKE | Die-cast, alloy V-brake, 60mm 1pc. pad, linear pull |
| FRONT DERAILLEUR | Shimano FD-M191 |
| REAR DERAILLEUR | Shimano Altus, 8-speed |
| SHIFT LEVERS | Shimano EF-51, EZ Fire |
| CASSETTE | Shimano, 8-speed, 11-32 |
| CHAIN | KMC X8 |
| CRANKSET | Shimano Altus, 8-speed triple, w/ chainguard |
| CHAINRINGS | 48/38/28, w/ chainguard |
| BOTTOM BRACKET | Cartridge bearings, square spindle |
| PEDALS | Nylon flat |
| RIMS | Alloy double-wall, CNC sidewalls, 32h 32h |
| FRONT HUB | Double-sealed, ground race, dual-lock nuts w/ 17mm contact side, 5mm QR |
| REAR HUB | Double-sealed, loose ball, dual-lock nuts |
| FRONT TYRE | Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x28c |
| REAR TYRE | Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x28c |
| INNER TUBES | Standard Schrader valve |
| SADDLE | Body Geometry Targa Sport, steel rails, 155mm |
| SEATPOST | Alloy, 2-bolt, 12.5mm offset, 27.2mm |
| SEAT BINDER | Alloy, 31.8mm |
Technical Specification
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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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.
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