2020 Specialized Sirrus Womens Bike

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We understand that fitness bikes can get a bad rap. Most of the time, they err on the side of value over performance, which leaves YOU feeling in between, and frankly, a little burned. But we're happy to say that our Sirrus is out to change that by providing the perfect blend of everyday efficiency with the performance you need to hit your fitness goals at speed. As the starter bike to the Sirrus line, this model is spec'd with a mix of Shimano components that’ll keep you pedaling worry-free for miles, powerful hydraulic disc brakes that provide reliable stopping power in any condition, and comforting Body Geometry touchpoints that are sure to take the sting out of long rides. *While this frame platform was designed from the ground up for all riders, some of the models feature gender-specific touchpoints.

  • Working with our Body Geometry team, we designed a frame that strikes the optimal balance between comfort and efficiency. The A1 SL Premium Aluminum construction pairs weight savings with rugged durability, while the rack, fender, and disc mounts give you an incredibly versatile package.
  • A straight blade steel fork provides a responsive ride, while the fender and rack mounts give you the option to install fenders and racks that can keep you dry and transport your gear around town.
  • Women's Body Geometry touchpoints take the sting out of riding with their ergonomically designed, scientifically tested shapes.

 






TECHNICAL SPECIFICATIONS

FRAME Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
FORK Steel, flat-mount disc, 1-1/8" steerer, QR, Plug + Play rack/fender mounts
HANDLEBARS Double-butted alloy, 9-degree backsweep, 31.8mm
STEM Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
TAPE Body Geometry Contour, lock-on
SADDLE Specialized Aldia Sport, steel rails, 155mm
SEATPOST Alloy, 12mm offset, 2-bolt clamp, 27.2mm
SEAT BINDER Bolt-type, 31.8mm
FRONT BRAKE Promax F1, hydraulic disc, flat-mount, 160mm
REAR BRAKE Promax F1, hydraulic disc, flat-mount, 140mm
SHIFT LEVERS Shimano Acera, 8-speed
FRONT DERAILLEUR Shimano Tourney, 3-speed, top-swing
REAR DERAILLEUR Shimano Altus, 8-speed
CASSETTE Shimano Altus, 8-speed, 11-32t
CHAINRINGS 48/38/28T
BOTTOM BRACKET BSA, square-taper, 68mm
CHAIN KMC X8 w/ Missing Link™, 8-speed
RIMS 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
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 Specialized Nimbus II Sport Reflect, 60TPI, wire bead w/ Black Belt protection, 700x32mm
REAR TIRE Specialized Nimbus II Sport Reflect, 60TPI, wire bead w/ Black Belt protection, 700x32mm
INNER TUBES Schrader valve, 40mm
PEDALS Specialized Body Geometry Fitness, platform, plastic

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