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The Specialized Sirrus 4.0 is a versatile hybrid bike that has everything you need for quick daily commutes or long biking adventures – including hydraulic disc brakes and an 18-speed Shimano drivetrain.
The Specialized Sirrus 4.0 is a versatile hybrid bike that has everything you need for quick daily commutes or long biking adventures – including hydraulic disc brakes and an 18-speed Shimano drivetrain.
Specialized

Specialized Sirrus 4.0 Hybrid Bike 2023 in Silver

£1,399.00 £1,700.00 17% off
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.


Customer Returns Form

If you wish to cancel, return or exchange an order please fill in the form below. Returns can be processed quicker if all required information is added.



Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Specialized Sirrus 4.0 Hybrid Bike 2023 in Silver

Season:2023

Brand:Specialized

Code:279693301321

The Specialized Sirrus 4.0 is a versatile hybrid bike that has everything you need for quick daily commutes or long biking adventures – including hydraulic disc brakes and an 18-speed Shimano drivetrain.

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 aluminium alloy and carbon fibre 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 & Benefits:

  • 18 Shimano/Microshift Gears:Wide range of precise shifting gears to make light work of steep climbs.
  • Carbon FACT 9 fork:Delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
  • Hydraulic Disc Brakes: Powerful braking capacity to keep you in control, whatever the weather.

Full 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/fender mounts
  • Fork: Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
  • Number of Gears: 18
  • Gear Shifters: MicroSHIFT, 9-speed
  • Chainset: Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
  • Chainrings: 48/32T
  • Rear Cassette: Sunrace CSRS0, 10-speed, 11-32t
  • Chain: KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
  • Front Derailleur: MicroSHIFT R9, 9-speed, 31.8mm clamp
  • Rear Derailleur: Shimano Sora, 9-speed
  • Bottom Bracket: Praxis M24, BSA
  • Pedals: Specialized Body Geometry Fitness, platform, plastic
  • Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h
  • Front Hub: Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
  • Rear Hub: Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
  • Front Tyre: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
  • Rear Tyre: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
  • Brakes: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
  • Handlebars: Double-butted alloy, 9-degree backsweep, 31.8mm
  • Handlebar Grips or Tape: Specialized Body Geometry Contour, lock-on
  • Stem: Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
  • Saddle: Body Geometry Power Sport, steel rails
  • Seatpost: Alloy, 2-bolt, 14mm offset, 27.2mm
  • Accessories: N/A
  • Weight: Not Available
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.


Size Guide for Specialized Sirrus and Sirrus X
Frame SizeRider Height (cm)
XXS142 - 150
XS150 - 158
S155 – 165
M165 – 175
L175 – 183
XL183 – 193
XXL193 - 198

Geometry Information for Specialized Sirrus X 4.0
XXSXSSMLXL
Crank Length165mm165mm170mm170mm175mm175mm
Seatpost Length300mm300mm350mm350mm400mm400mm
Handlebar Width680mm680mm680mm680mm680mm680mm
Stem Length60mm60mm70mm80mm90mm100mm
Saddle Width155mm155mm155mm143mm143mm143mm
Stack587mm590mm606mm635mm651mm672mm
Reach355mm371mm376mm382mm386mm398mm
Head-Tube Length111mm125mm143mm169mm186mm208mm
Head-Tube Angle69.5°70°70°71°71°71°
B-B Height284mm284mm284mm284mm284mm284mm
B-B Drop70mm70mm70mm70mm70mm70mm
Trail78mm75mm75mm68mm68mm68mm
Fork Length (full)395mm395mm395mm395mm395mm395mm
Fork Rake/Offset51mm51mm51mm51mm51mm51mm
Front-Center602mm618mm629mm634mm644mm663mm
Chain-Stay Length440mm440mm440mm440mm440mm440mm
Wheelbase1033mm1049mm1060mm1065mm1074mm1093mm
Top-Tube Length (horizontal)529mm549mm559mm573mm581mm599mm
Bike Stand-Over Height700mm722mm750mm778mm810mm831mm
Seat-Tube Length360mm395mm440mm470mm510mm530mm
Seat-Tube Angle73.5°73.5°73.5°73.5°73.5°73.5°

Geometry Information for Specialized Sirrus 4.0
XSSMLXLXXL
Crank Length170mm170mm170mm175mm175mm175mm
Stem Length70mm70mm80mm90mm100mm110mm
Handlebar Width580mm580mm600mm600mm620mm620mm
Seatpost Length300mm300mm350mm350mm400mm400mm
Saddle Width155mm155mm143mm143mm143mm143mm
Stack585mm602mm631mm649mm687mm709mm
Reach355mm371mm384mm386mm398mm410mm
Head-Tube Length125mm143mm169mm186mm223mm246mm
Head-Tube Angle70°70°71°71.5°72°72°
B-B Height275mm275mm275mm275mm275mm275mm
B-B Drop70mm70mm70mm70mm70mm70mm
Trail71mm71mm65mm62mm58mm58mm
Fork Length (full)390mm390mm390mm390mm390mm390mm
Fork Rake/Offset51mm51mm51mm51mm51mm51mm
Front-Center602mm625mm635mm637mm656mm675mm
Chain-Stay Length435mm435mm435mm435mm435mm435mm
Wheelbase1027mm1050mm1060mm1063mm1082mm1101mm
Top-Tube Length (horizontal)532mm554mm573mm580mm603mm628mm
Bike Stand-Over Height714mm756mm788mm813mm849mm875mm
Seat-Tube Length355mm416mm453mm483mm533mm563mm
Seat-Tube Angle73.5°73.5°73.5°73.5°73.5°73°

Warranty Information for Specialized Bikes and Wheels

Policy TermCoverage for Registered ProductsCoverage if Not Registered

Lifetime warranty* to the original owner against structural defects in material or workmanship on ALL models of Specialized-branded frames and forks

• Includes seatstays and chainstays on full-suspension bikes
• Does not include suspension forks and suspension parts
• Does not include paint and graphics (these are covered below)		Lifetime2 Years
Lifetime warranty* on Roval wheelsLifetime2 Years

Other Specialized-branded products are covered by a two-year warranty

• Paint and graphics on frames and frame set
• Specialized branded components
• Co-branded suspension (BRAIN)
• Motors & Drive systems components on e-bikes
• Equipment
• Helmets
• Shoes		2 Years2 Years

Turbo batteries have a warranty for 2 years or 300 charge cycles— whichever comes first.

2 years2 years

*Register your bike, frameset, or Roval wheels within the first 90 days of purchase for a lifetime warranty to the original owner. For Full warranty policy please visit specialized.com

Technical Information

Geometry for Specialized Sirrus 4.0 Carbon Hybrid Bike

Specialized Allez Elite Road Bike Geometry Chart

Dimensions in mm unless stated otherwise.

  XS S M L XL XXL
Crank Length 165 165 170 170 175 175
Stem Length 70 70 80 90 100 110
Seatpost Length 300 300 350 350 400 400
Saddle Width 155 155 143 143 143 143
Handlebar Width 580 580 600 600 620 620
Reach 355 371 384 386 398 410
Stack 585 602 631 649 687 709
Wheelbase 1027 1050 1060 1063 1082 1101
Bike Stand Over Height 714 756 788 813 849 875
Head Tube Length 125 143 169 186 223 246
Front Center 602 625 635 637 656 675
Fork Rake/Offset 51 51 51 51 51 51
Head Tube Angle 70.0° 70.0° 71.0° 71.5° 72.0° 72.0°
Trail 71 71 65 62 58 58
Chainstay Length 435 435 435 435 435 435
BB Height 275 275 275 275 275 275
Seat Tube Angle 73.5° 73.5° 73.5° 73.5° 73.5° 73.0°
Fork Length Full 390 390 390 390 390 390
BB Drop 70 70 70 70 70 70
Seat Tube Length 355 416 453 483 533 563
Top Tube Length (Horizontal) 532 554 573 580 603 628

 

Sizing Information

Specific Size Chart for Specialized Sirrus 4.0 Carbon Hybrid Bike

Size Rider Height (') Rider Height (cm)
S 5'1" - 5'5"  155 - 165
M 5'5" - 5'9" 165 - 175
L 5'9" - 6'0"  175 - 183
XL 6'0" - 6'4" 183 - 193
XXL 6'3" - 6'6"  191 - 193

 

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  • What size bike will I require?
    Question asked by FT on 21/11/2022 03:58:29
    You would require an XXS which is suitable for a rider height of 142-150cm (4'8" to 4'11")
  • Does this bike come in both a Mens and Womens versions? If 'yes' what us the difference? Can men ride a womens version and vice versa?
    Question asked by Adam on 19/06/2021 12:08:27

    We can confirm that this model does not come in a female specific version.

    As long as the fit is right there is no reason why ladies cannot ride this model as well.

    https://www.specialized.com/gb/en/search/?text=sirrus#/filter:gender:Female
  • What size frame for a 5'7" rider? What is the widest tyre that can be fitted?
    Question asked by David on 19/04/2021 12:10:26
    A 5'7" (170.2cm) rider would require a MEDIUM size which is suitable for a rider height 5'5" to 5'9" (165-175cm).

    The maximum tyre width that this bike will take is 700 x 35c
    • Home Commute and Leisure Cycling Bikes Specialized Hybrid Bikes