Monday | 9.00am - 5.30pm |
Tuesday | 9.00am - 5.30pm |
Wednesday | 9.00am - 5.30pm |
Thursday | 9.00am - 5.30pm |
Friday | 9.00am - 5.30pm |
Saturday | 9.00am - 5.30pm |
Sunday | 10.00am - 4.00pm |
Bank Holidays | 10.00am - 4.00pm |

Specialized Sirrus 4.0 Hybrid Bike in Gloss White Sage

You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing we made Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light aluminum alloy and carbon fiber construction, as well as reliable MicroSHIFT components that are built to withstand years of daily abuse on the world's pavement.
Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with Sirrus.
Key Features:
- Carbon FACT 9 fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
- Through axle hub connection for positive wheel alignment and no rub Disc brakes.
- Wide range 2x10 MicroShift components for intuitive and precise shifting.
All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £20 delivery fee.
Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.
Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.
At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.
Find Out More About Returns >

Frame: Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
Fork: Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Handlebars: Double-butted alloy, 9-degree backsweep, 31.8mm
Stem: Future Stem, Comp
Tape: Specialized Body Geometry Contour, lock-on
Saddle: Body Geometry Power Sport, steel rails
SeatPost: Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder: Bolt-type, 31.8mm
Front Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
Shift Levers: MicroSHIFT, 10-speed
Front Derailleur: MicroSHIFT FD-R522, Band-clamp
Rear Derailleur: MicroSHIFT RD-R55S, short cage
Cassette: Sunrace CSRS0, 10-speed, 11-32t
Crankset: Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Chainrings: 48/32T
Bottom Bracket: Praxis M24, BSA
Chain: KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Rear Hub: Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
Front Tire: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Inner Tubes: 700x28/38mm, 48mm Presta valve
Front Hub: Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
Spokes: Stainless, 14g
Pedals: Specialized Body Geometry Fitness, platform, plastic