Specialized – Sirrus 2.0 ST

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 an alloy frame and steel fork 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.

Lightweight A1 Alloy frame with 42c tires clearance, clean internal cable routing and mounting points for a range of accessories give maximum flexibility.

Intuitive and easy to use MicroSHIFT 2×8 wide range shifting.
Powerful hydraulic disc bakes for safety and control.

Frame Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

Fork Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

Handlebars Double-butted alloy, 9-degree backsweep, 31.8mm

Stem 3D-forged alloy, 31.8mm, 7-degree rise

Tape Specialized Body Geometry Contour, lock-on

Saddle Bridge Sport, Steel rails, 155/143mm

Seat Binder Bolt-type, 31.8mm

Front Brake Promax F1, hydraulic disc, flat-mount, 160mm

Rear Brake Promax F1, hydraulic disc, flat-mount, 140mm

Rear Derailleur microSHIFT RD-M26S, 7-speed

Shift Levers MicroSHIFT, 8-speed w/ indicator

Front Derailleur MicroSHIFT FD-R252, Band-clamp

Cassette MicroSHIFT H081, 8-speed, 11-32t

Crankset Forged aluminum arms, 3-piece, 46/30T

Chainrings46/30T w/ chainguard

Bottom Bracket BSA, square-taper, 68mm

Chain KMC X8 w/ Missing Link™

Pedals Specialized Body Geometry Fitness, platform, plastic

Rims 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width

Front Hub Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h

Rear Hub Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h

Spokes Stainless, 14g

Front Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

Inner Tubes Schrader valve, 40mm

Rear Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

SeatPost Alloy, 12mm offset, 2-bolt clamp, 27.2mm