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 Amira SL4 Comp Womens Road Bike
A frameset that has tasted victory at world championship level on numerous occasions, the Specialized Amira SL4 Comp Womens Road Bike is a real pedigree racing machine designed and made to an exacting specification and precise standards. A women's specific geometry provides targeted comfort and efficiency on your full tilt ride for glory.
Bringing together Specialized's FACT 9r carbon fibre for a versatile, light, stiff and responsive ride quality, this bike assures you of an intuitive and connected feel from behind your handlebars, giving you absolute control over your machine. Made to offer excellence across a range of disciplines, from hill climbs to flat-out sprints, a full monocoque carbon fibre fork provides direct and well-defined steering as you push your limits and crush your opposition out on the road.
Making use of a Shimano Ultegra R8000 groupset for a honed and a pronounced excellence in the drivetrain of this bike, you can be sure of putting down your power without falter, interruption or false moves. Shifting accurately and on demand, this bike is equipped with an 11-28 tooth rear cassette for robust and well-stepped gearing, whilst a 50/34 tooth chainset assures you of a good spread of climbing ability, regardless of the gradient you face.
Making your move on top of Roval SLX 24 wheels, this bike offers a quality connection to the road with its DT Swiss 350 hubs and tough alloy rim coming in below the 1600 gram mark. Finished with a full complement of Shimano componentry for a cohesive, model performance, this is a women's race bike that makes no compromises in quality, whilst assuring the avid rider of a machine capable of competing.
FEATURES:
- Specialized's FACT 9r carbon fibre construction for a responsive and agile ride quality
- Women's Competitive Geometry makes for the perfect fit and feel
- Handling precision from the full-monocoque FACT carbon fibre fork
- Roval SLX 24 Disc wheelset features a sub-1600-gram net weight
- Equipped with Shimano Ultegra R8000
Technical Specification
| FRAME | Specialized FACT 9r carbon, women's carbon layup & Competitive geometry, tapered head tube, threaded BB, internal routing, 130mm spacing |
| FORK | Specialized FACT carbon, full monocoque |
| HANDLEBAR | Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp |
| TAPE | Specialized S-Wrap w/ Sticky gel |
| STEM | Specialized, 3D forged alloy, 4-bolt, 7-degree rise |
| FRONT BRAKE | Shimano Ultegra 8000 |
| REAR BRAKE | Shimano Ultegra 8000 |
| FRONT DERAILLEUR | Shimano Ultegra 8000, braze-on 11-speed |
| REAR DERAILLEUR | Shimano Ultegra 8000, 11-speed |
| SHIFT LEVERS | Shimano Ultegra 8000, 11-speed |
| CASSETTE | Shimano 105, 11-speed, 11-28t |
| CHAIN | KMC X11EL, 11-speed w/ Missing Link |
| CHAINSET | Shimano Ultegra R8000 50/34T |
| PEDALS | N/A |
| BOTTOM BRACKET | Shimano Ultegra |
| FRONT WHEEL | Roval SLX 24 Rims, DT Swiss 350 hubs, DT Swiss Competition spokes, 20h |
| REAR WHEEL | Roval SLX 24 Rims, DT Swiss 350 hubs, DT Swiss Competition spokes, 24h |
| FRONT TYRE | Specialized S-Works Turbo, 220 TPI, folding bead, BlackBelt protection, 700x24mm |
| REAR TYRE | Specialized S-Works Turbo, 220 TPI, folding bead, BlackBelt protection, 700x24mm |
| SADDLE | Oura Comp, 155mm, nylon base, synthetic leather, Hollow Cr-Mo |
| SEATPOST | Specialized Comp carbon, single bolt |
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.
Unable to display Reviews due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".
Unable to display Q&A due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".