Sirrus X 4.0
A 700c aluminum frame fitness bike with upper mid-range components and hydraulic disc brakes.
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Manufacturer Price
$1,350Frame | Aluminum |
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Suspension | Hardtail, 20mm |
Fork | Specialized Future Shock 1.5 |
Wheels | 700c Aluminum |
Drivetrain | 3 × 10 |
Groupset | Deore |
Brakes | Hydraulic Disc |
For This Bike
Mar 2020
Smooth, fast, and utilitarian—this commuter has it all.
Future Shock in the head tube smooths the ride
Plenty of go-fast and hill-climbing gearing
Part smooth/part knobby, 38mm-wide tires
There are more affordable commuter/fitness options out there
Frame | Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts |
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Fork | Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5 Travel: 20mm |
Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
Handlebar | Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
Saddle | Bridge Comp, Hollow Cr-mo rails, 155/143mm |
Seatpost | Alloy, 2-bolt, 14mm offset, 27.2mm Type: Rigid |
Pedals | Specialized Body Geometry Fitness, platform, plastic |
Rear Derailleur | Shimano Deore, Shadow Plus, GS cage, 10-speed |
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Crank | Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring, 44/32/22T |
Shifters | Shimano Deore, 10-speed |
Chain | KMC X10, 10-speed w/ reusable Missing Link™ |
Brakes | Front: Shimano BR-MT200, hydraulic disc, 160mm, Rear: Shimano BR-MT200, hydraulic disc, 160mm Type: Hydraulic Disc |
Rims | 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h |
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Spokes | Stainless, 14g |
Front Hub | Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24h |
Rear Hub | Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28h |
Tires | Front: Pathfinder Sport, 700x38mm, Rear: Pathfinder Sport, 700x38mm |
Last updated October 13
Not listed for 1,312 days