Frameset

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

Front Brake - Tektro MD-U310R, Mechanical Disc

Rear Brake - Tektro MD-U310R, Mechanical Disc

Drivetrain

Chainrings - 40T

Chain - KMC X8 w/ Missing Link™

Crankset - PROWHEEL, Alloy, 165mm

Rear Derailleur - Shimano Acera RD-M3020, 7-Speed

Shift Levers - Shimano Altus SL-M315-7R, 7-Speed

Bottom Bracket - Square-tapered, 68mm

Cassette - microSHIFT
CS-H074, 12-40t, 7-Speed

Wheels & Tyires

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

Rear Hub - Alloy, 6-bolt disc, 8/9-Speed freehub, loose ball
bearing, quick-release, 36h, 10x135mm

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

Front Tyre - Pathfinder Sport, 700x42

Rear Tyre - Pathfinder Sport, 700x42

Spokes - Stainless, 14g

Inner Tubes - Standard
40mm SV 700x32-50

Cockpit

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

Seat Binder - Bolt-type, 31.8mm

Saddle - Bridge Sport, Steel rails, 155/143mm

Handlebars - Double-butted alloy, 5-degree backsweep, 25.4mm

Stem - Alloy, 25.4mm, 10deg.

Grip - Specialized Neutralizer, Body Geometry, locking grip

Accessories

Pedals - Specialized, platform

Weight Size - MD

Weight - 11.95 kg (26 lb, 5.5 oz)

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.