The Sirrus provides road bike geometry with flat bar handling so you can ride fast on longer rides but also be stable and quick in town. The 24-speed drivetrain with wide gearing allows top speed with hill climbing capabilities too.
> A1 Premium Aluminium fully-manipulated frame offers a great ride and versatility; with rack/mudguard mounts and wide tyre clearance
> Straight blade steel fork with mudguard mounts gives you all the durability you need to manage potholes and rough roads
> Sirrus double-wall machined alloy rims for strength and reliable braking; plus alloy sealed cassette hub with stainless spokes
> Flak Jacket protection and a grooved tread make the Specialized Nimbus tyres perfect for city or open road use
> Body Geometry Targa grips alleviate hand pain and tingling fingers for all-day riding comfort
> Specialized Body Geometry Targa Sport saddle has front/rear bumpers for durability and ample padding for comfort
Technical Specifications
FRAME Specialized A1 Premium Aluminium fully-manipulated butted tubing integrated lower bearing mudguard/rack eyelets
FORK Specialized steel
HEADSET 1-1/8" FSA integrated cartridge lower external sealed upper bearings
STEM Alloy 4-bolt 20-degree rise 25.4mm clamp
HANDLEBARS Specialized flat bar alloy 6-degree backsweep 25.4mm
TAPE Specialized Body Geometry Targa dual compound
FRONT BRAKE Die-cast alloy V-brake 60mm 1pc. pad linear pull
REAR BRAKE Die-cast alloy V-brake 60mm 1pc. pad linear pull
BRAKE LEVERS Alloy V-brake two-finger linear pull
FRONT DERAILLEUR Shimano FD-M191
REAR DERAILLEUR Shimano Altus 8-speed
SHIFT LEVERS Shimano EF-51 EZ Fire
CASSETTE Shimano 8-speed 11-32
CHAIN KMC X8
CRANKSET Shimano Altus 8-speed triple w/ chainguard
CHAINRINGS 48/38/28 w/ chainguard
BOTTOM BRACKET Cartridge bearings square spindle
PEDALS Nylon flat
RIMS Alloy double-wall CNC sidewalls 32h
FRONT HUB Double-sealed ground race dual-lock nuts w/ 17mm contact side 5mm QR
REAR HUB Double-sealed loose ball dual-lock nuts
FRONT TYRE Specialized Nimbus 26TPI wire bead Flak Jacket protection 700x28c
REAR TYRE Specialized Nimbus 26TPI wire bead Flak Jacket protection 700x28c
INNER TUBES Standard Schrader valve
SADDLE Body Geometry Targa Sport steel rails 155mm
SEATPOST Alloy 2-bolt 12.5mm offset 27.2mm
SEAT BINDER Alloy 31.8mm
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