Free delivery on orders over £30
As you push yourself towards your fitness goals, you need a partner that you can count on, and we're happy to say that the Sirrus Sport fits the bill.
It's constructed from a durable, reliable, and lightweight A1 SL Premium Aluminium, and it features a bombproof assortment of components, like a Shimano Sora rear derailleur and powerful Tektro hydraulic disc brakes that are sure to get the job done.
Sprinkle in some added comfort from our proven Body Geometry components, like the grips and saddle, and a Fitness geometry that lives in the sweet spot between comfort and performance, and you have a bike that'll always be ready to go when it comes time to sweat.
| BOTTOM BRACKET | BSA, for 24mm spindle |
| CHAIN | KMC X9, 9-speed w/ Missing Link™ |
| CRANKSET | 2-piece, solid forged arms, 24mm spindle, steel chainrings w/ chainguard |
| SHIFT LEVERS | microSHIFT, 9-speed |
| FRONT DERAILLEUR | microSHIFT R9, 9-speed, 31.8mm clamp |
| CASSETTE | Shimano Sora, 9-speed, 11-34t |
| CHAINRINGS | 48/32T |
| REAR DERAILLEUR | Shimano Sora, GS cage, 9-speed |
| FRONT HUB | Alloy, Centerlock disc, loose ball bearing, 100mm spacing, QR, 32h |
| REAR HUB | Alloy, 8/9/10-speed freehub, Centerlock disc, loose ball bearing, 135mm spacing, 32h |
| INNER TUBES | Presta, 48mm valve |
| SPOKES | Stainless, 14g |
| RIMS | 700C disc, double wall, 32h |
| FRONT TYRE | Specialized Nimbus Reflect 700x32mm, 26 TPI, wire bead, w/ Flak Jacket protection |
| REAR TYRE | Specialized Nimbus Reflect 700x32mm, 26 TPI, wire bead, w/ Flak Jacket protection |
| SADDLE | Specialized Canopy Sport, steel rails, 155mm |
| TAPE | Specialized Body Geometry Targa, lock on |
| SEATPOST | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| HANDLEBARS | Double butted alloy, 9-degree backsweep, 31.8mm |
| STEM | Specialized, 3D forged alloy, 4-bolt, 7-degree rise |
| FRONT BRAKE | Tektro HD-R310, hydraulic disc, resin pads, flat mount, 160mm Shimano RT10 Center Lock rotor |
| REAR BRAKE | Tektro HD-R310, hydraulic disc, resin pads, flat mount, 160mm Shimano RT10 Center Lock rotor |
| PEDALS | Specialized Fitness platform, alloy |
| SEAT BINDER | Alloy, 31.8mm, bolt type |
| FORK | Specialized FACT 9r carbon, 12x100mm thru-axle, flat mount disc, Plug + Play fender mounts |
| FRAME | Specialized A1 SL Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, internal cable routing, flat mount disc, QR, rack & Plug + Play fender mounts |
| S | M | L | XL | XXL | |
|---|---|---|---|---|---|
| Crank Length | 170MM | 170MM | 172.5MM | 172.5MM | 175MM |
| Stem Length | 80mm | 90mm | 100mm | 100mm | 110mm |
| Seatpost Length | 300mm | 350mm | 350mm | 350mm | 350mm |
| Saddle Width | 155mm | 155mm | 155mm | 155mm | 155mm |
| Handlebar Width | 580mm | 580mm | 600mm | 620mm | 620mm |
| Reach | 388mm | 400mm | 402mm | 414mm | 426mm |
| Top Tube Length, Horizontal | 555mm | 576mm | 583mm | 604mm | 631mm |
| Stack | 564mm | 593mm | 611mm | 639mm | 670mm |
| Wheelbase | 1057mm | 1069mm | 1072mm | 1087mm | 1109mm |
| Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
| Front Center | 626mm | 638mm | 641mm | 656mm | 679mm |
| BB Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
| BB Height | 275mm | 275mm | 275mm | 275mm | 275mm |
| Seat Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73° |
| Head Tube Angle | 70° | 71° | 71.5° | 72° | 72° |
| Seat Tube Length | 415mm | 455mm | 495mm | 535mm | 565mm |
| Head Tube Length | 153mm | 179mm | 196mm | 223mm | 256mm |
| Bike Standover Height | 735mm | 775mm | 805mm | 845mm | 875mm |
| Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm | 51mm |
| Fork Length, Full | 390mm | 390mm | 390mm | 390mm | 390mm |
| Trail | 72mm | 65mm | 62mm | 59mm | 59mm |
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