Bikerumor might earn a small fee from affiliate hyperlinks on this article. Study Extra
Final month, we coated a Specialised Patent titled “Bicycle Body with Angled Strut”. In the present day’s announcement of the 2023 Specialised Sirrus Carbon proves we have been very a lot mistaken in pondering it may materialize as their next-gen spring classics highway racing bike. Certainly, the angled strut body finds its house on a mannequin traditionally pitted as a consolation commuter, although with clearance for 700c x 42mm tires, the brand new Sirrus makes a compelling argument for its re-appropriation as a flat-bar gravel bike.
With the 2023 Sirrus Carbon, Specialised has regarded to mix efficiency and luxury into a light-weight, versatile package deal. They even made it look rad, too. Pricing begins at $2,250 USD.
2023 Specialised Sirrus 6.0 Carbon and Sirrus X 5.0 Carbon
The 2023 Specialised Sirrus Carbon is a road- and gravel-worthy bicycle with a placing aesthetic because of what Specialised are referring to because the Compliance Junction. Because the title suggests, it isn’t there to easily look cool; certainly, it’s there to supply a bit of flex to the rear-end for improved forgiveness and luxury. We’re advised it does this with out sacrificing efficiency and effectivity.
So, how a lot does it truly flex?
Effectively, an actual variety of millimeters isn’t specified. Nonetheless, if we glance to the patent loosely pertaining to this body design, we see that they examined the “Bicycle Body with Angled Strut” to a vertical deflection of seven.9mm; that compares to the two.9mm of vertical deflection they noticed with the “standard body” that was examined alongside it. To study extra concerning the stiffness properties of the body design in query, try our protection of the patent right here.
There’s no getting round it; the 2023 Specialised Sirrus Carbon does look remarkably acquainted. We merely can’t ignore the truth that a really comparable body design was very not too long ago proven within the type of the Rondo Ruut V2 Carbon Gravel Bike. It too will get the “damaged seat tube”, changed by an angled strut that extends ahead to satisfy the downtube, slightly than the BB cluster. Specialised has pipped Rondo to the submit, nevertheless, because the Ruut V2 received’t be out there till later this 12 months.
The place the Ruut V2 is a devoted Gravel Bike with a drop-bar and (in all probability) clearance for increased quantity tires, the Specialised Sirrus is extra of an all-rounder, aimed toward city dwellers who desire a bike that’s environment friendly sufficient for the each day commute, however not afraid to enterprise onto the gravel paths of the encircling countryside.
The Compliance Junction isn’t the one supply of vibration damping on this body. Similar to their devoted Gravel Body, the Diverge, the 2023 Sirrus Carbon additionally boasts the Future Shock, a singular suspension design housed beneath the stem that works to forestall the cruel frequencies attributable to bumps within the highway from reaching the rider’s fingers. Positioned above the top tube is a hid spring that strikes in a vertical path. In contrast to common entrance suspension, the Future Shock doesn’t trigger any modifications in body geometry or wheelbase.
The 2023 Sirrus Carbon is well-equipped for longer rides with alternative to mount three water bottles to the entrance triangle polygon; one of many partial seat tube, a second on the downtube, and a 3rd on the top-side of the highest tube. The Sirrus is MIK suitable with mounting factors for racks and fenders – particularly Specialised’s DRYTECH 42c fenders.
The Sirrus is out there at two worth factors: $3,000 USD for the Sirrus 6.0, and $2,250 for the Sirrus X 5.0. They share the identical carbon body and fork, however differ on necessary spec like drivetrain, brakes and tires (specs under). Each can be found in sizes XS-XXL, with the carbon layup of every body tuned particularly such that the journey high quality stays constant irrespective of the scale.
Attain stretches throughout a 350mm to 425mm vary, with a constant 440mm chainstay size on all frames. For a measurement information on the Sirrus Carbon, head to the Specialised web site.
2023 Sirrus Carbon Body Particulars
- Body Building: Specialised FACT 9R Carbon, 12mm x 142mm thru-axle, Flat-Mount
- Fork: Specialised FACT 9R Carbon Monocoque, 12mm x 100mm thru-axle, Flat-Mount, Low Rider Mounts, Plug + Play Rack/ Fender Mounts
- Backside Bracket: 68mm Threaded
- Tire Clearance: 700c x 42mm (w/o fenders); 700c x 38mm with fenders
- Seat Put up: 27.2mm
Pricing & Availability
The 2023 Specialised Sirrus 6.0 retails at $3,000 USD, and is out there within the Gloss Black / Pearl / Metallic White Silver / Black Reflective colorway solely. The extra inexpensive choice is the Sirrus X 5.0 retailing at $2,250 USD, out there within the Gloss White Mountains/ Gunmetal / Satin White Mtns Reflective colorway proven, or Satin Crimson Tint / Carbon / Black.
