Men's Sirrus Expert

£1850.00


Part No. 90918-3004

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HOME > BIKES > FITNESS > MEN'S SIRRUS EXPERT

We understand that fitness bikes can get a bad wrap. All too often they err on the side of value over performance leaving you feeling in between and frankly a little burned. But we're happy to say that our Sirrus Expert Carbon is out to change that providing the perfect blend of everyday efficiency with the performance you need to hit your fitness goals at speed.

We started with a high quality FACT 9r carbon fibre construction that's lightweight and extremely responsive not only making the Sirrus a better climber but also making it easier to carry up the stairs after your commute. Onto what we like to think is the best part of the new Sirrus though our new Future Shock. Essentially it's a piston in the head tube with 20mm of travel. We developed this technology in partnership with McLaren Applied Technologies and the result of this relationship are a host of drastic performance improvements namely in the vertical compliance department. Without giving a physics lecture we found that is improves smoothness speed and comfort in one fell swoop.

We equipped this bike with a wide range of gears from the Shimano & microSHIFT components plus next level comfort that follows our scientifically tested and engineered Body Geometry components. So as you push yourself to reach your goals you'll feel more connected to your bike than ever leaving you feeling that you have the perfect partner on your path to health and wellbeing.

  • The FACT 9r carbon fiber frame is engineered and designed with our Fitness Geometry, helping you ride more efficiently in a position that will see you riding comfortably, mile-after-mile. And the all-new Future Shock "suspension" system at the cockpit delivers a revolutionary degree of comfort and control.
  • The lightweight FACT carbon fiber fork provides a smooth, responsive ride, while the Plug + Play fender mounts give you the option to install rain-fighting fenders.
  • Braking duties are handled by TRP Flow Set Control hydraulic disc brakes to ensure effective, consistent, and reliable power through any kind of terrain or condition.

Please note that this bike does not come with pedals.


FRAMESpecialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat mount disc, rack, Plug + Play fender mounts
FORKSpecialized FACT 9r carbon, 12x100mm thru-axle, flat mount disc, Plug + Play fender mounts
FRONT HUBAlloy, 12x100mm thru-axle, 6-bolt disc, sealed bearing, 24h
REAR HUBAlloy, 12x142mm thru-axle, 11-speed Shimano compatible freehub, 6-bolt disc, sealed bearing, 28h
SPOKESStainless, 14g
RIMS700C disc, double wall, 24h front, 28h rear
INNER TUBESPresta, 48mm valve
FRONT TYRESpecialized Espoir Sport Reflect, 700x30mm, 60 TPI, double BlackBelt protection
REAR TYRESpecialized Espoir Sport Reflect, 700x30mm, 60 TPI, double BlackBelt protection
CRANKSETPraxis Alba M30, solid forged arms, 6061 chainrings, 110 BCD, 11-speed
CHAINRINGS48/32T
BOTTOM BRACKETPraxis M30, BSA
SHIFT LEVERSmicroSHIFT Flow Set Control, 11-speed
FRONT DERAILLEURmicroSHIFT Centos, 11-speed, braze-on
REAR DERAILLEURShimano 105, GS cage, 11-speed
CASSETTEShimano 105, 11-speed, 11-32t
CHAINKMC X11, 11-speed w/ Missing Linkâ„¢
FRONT BRAKETRP Flow Set Control, hydraulic disc, resin pads, flat mount, 160mm rotor
REAR BRAKETRP Flow Set Control, hydraulic disc, resin pads, flat mount, 140mm rotor
HANDLEBARSDouble butted alloy, 9-degree backsweep, 31.8mm
TAPESpecialized Body Geometry Flow Set Control, lock-on, integrated bar ends, hidden 4/5mm hex key
STEMAlloy, 7-degree, 31.8mm
SADDLESpecialized Canopy Comp, hollow Cr-Mo rails, 155mm
SEATPOSTSpecialized Comp carbon, 21mm offset, single bolt, 27.2mm
SEAT BINDERIntegrated w/ frame
PEDALSPlatform, alloy cage

As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.

Please note that this bike does not come with pedals.


Size S M L XL XXL
BB Drop 70mm 70mm 70mm 70mm 70mm
BB Height 275mm 275mm 275mm 275mm 275mm
Bike Standover Height 755.76mm 787.98mm 812.7mm 848.81mm 874.64mm
Chainstay Length 435mm 435mm 435mm 435mm 435mm
Fork Length, Full 390mm 390mm 390mm 390mm 390mm
Fork Rake/Offset 51mm 51mm 51mm 51mm 51mm
Front Center 625mm 635mm 637mm 656mm 675mm
Head Tube Angle 70° 71° 71.5° 72° 72°
Head Tube Length 143mm 169mm 186mm 223mm 246mm
Reach 390.05mm 400mm 402mm 414mm 426mm
Seat Tube Angle 73.5° 73.5° 73.5° 73.5° 73°
Seat Tube Length 416mm 452.8mm 483mm 532.8mm 562.8mm
Stack 555mm 583mm 601mm 639mm 661mm
Top Tube Length, Horizontal 554mm 573mm 580mm 603mm 628mm
Trail 71mm 65mm 62mm 58mm 58mm
Wheelbase 1050mm 1060mm 1063mm 1082mm 1101mm

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