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SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence-inspiring tires, a slightly more upright riding position, and a super intuitive one-by drivetrain.
RIDER-FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is uniquely crafted. This means that for every frame, each tube size is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness to ensure that no matter what size you’re riding, you will experience the world’s best ride.
NIMBLE: Class-leading light-weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics.
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 |
Seat Binder | Bolt-type 31.8mm |
Stem | Alloy, 25.4mm, 10deg. |
Grip | Specialized Neutralizer, Body Geometry, locking grip |
Handlebars | Double-butted alloy, 5-degree backsweep, 25.4mm |
SeatPost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
Saddle | Bridge Sport, Steel rails, 155/143mm |
Front Brake | Lee Chi, Mechanical Disc, 160 |
Rear Brake | Lee Chi, Mechanical Disc, 160 |
Rear Derailleur | Shimano Acera RD-M3020, 7-Speed |
Shift Levers | Shimano Altus SL-M315-7R, 7-Speed |
Cassette | microSHIFT CS-H074, 12-40t, 7-Speed |
Chain | KMC X8 w/ Missing Link™ |
Crankset | PROWHEEL, Alloy, 165mm |
Chainrings | 34T |
Bottom Bracket | Square-tapered, 68mm |
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, 7-speed freehub, loose ball bearing, quick-release, 32h |
Spokes | Stainless 14g |
Front Tire | Pathfinder Sport, 700x42mm |
Rear Tire | Pathfinder Sport, 700x42mm |
Inner Tubes | Standard 40mm SV 700x32-50 |
Pedals | Specialized Body Geometry Fitness, Platform, Plastic |
Weight | Size Large: 11.58 kg (25 lb, 8.47 oz) |
As with any product specification is subject to change without prior notification. You are advised to confirm current specification before buying.
Please be aware that the images and description above are usually supplied by the brand / manufacturer and are in no way affiliated with Cycle Centre Congleton Limited T/A CycleStore. Cycle Centre Congleton Limited T/A CycleStore only resell items from third parties and do not design or manufacture any products.
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