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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.
- Intuitive and easy to use MicroSHIFT 2x8 wide range shifting.
- Lightweight A1 Alloy frame with 42c tire clearance, clean internal cable routing and mounting points for a range of accessories give maximum flexibility.
- Powerful hydraulic disc bakes for safety and control.
Geometry
Sizing
Due to supply-chain issues, Specs are subject to change without notice.
Specs
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
Rims 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Hubs Front: Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Spokes Stainless, 14g
Tires RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Bottom Bracket BSA, square-taper, 68mm
Crankset Shimano Tourney, 3-piece, 46/30T
Chainrings 46/30T w/chainguard
Shifters Shimano Acera, 8-speed
Front Derailleur Shimano Tourney FD-TY710
Rear Derailleur Shimano Acera, 8-speed
Cassette/Freewheel Shimano Altus, 8-speed, 11-32t
Chain KMC X8 w/ Missing Link™
Brakes Front: Promax F1, hydraulic disc, flat-mount, 160mm
Rear: Promax F1, hydraulic disc, flat-mount, 140mm
Handlebars Double-butted alloy, 9-degree backsweep, 31.8mm
Tape/Grips Specialized Body Geometry Contour, lock-on
Stem Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Seatpost Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Saddle Bridge Sport, Steel rails, 155/143mm
Pedals Specialized Body Geometry Fitness, platform, plastic
* Subject to change without notice.
Easy Returns
Need to return an item? Take up to a full year!
Return Policy
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At Ascent Outdoors we’re committed to your satisfaction as a customer. We hope to work with you to find the right outdoor products for your adventures!
Online and In-Store Return/Exchange Policy:
- New and unused items in original packaging with tags still attached may be returned within 365 days to receive a full refund, exchange, or store credit. Exceptions apply: See the Garmin policy below.
- Used items may be exchanged for store credit within 30 days of purchase. Shipping fees apply for online orders. Exclusions to Garmin and rock climbing hard and soft goods. If you’re not sure please email us before purchase.
- For your safety, rock equipment including but not limited to rock climbing hardware, harnesses, slings, and ropes cannot be returned at any time. Helmets and shoes may be returned unworn, with tags and in original packaging.
- Please note we charge both sides shipping fees for returns or exchanges for online orders.
Garmin Return/Exchange Policy:
- Please note that Garmin Devices and Watches must be unopened and in their original packaging with tags attached.
- They may be returned within 90 days to receive a refund, exchange, or store credit
- Once taken out from the box or activated - devices/watches cannot be returned or exchanged.
- For any manufacturing defects with your Garmin Device, we can connect you with Garmin Customer Support to facilitate the warranty process and to help troubleshoot the issue.
Lowest Price Guarantee
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Price Match Policy
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