Specialized Sirrus X 2.0 Step-Through 2025
Bike details
Key information split into simple groups.
Bike summary
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Groupset microSHIFT Acolyte
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Suspension Rigid
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Drivetrain 1 × 8
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
2020 Sirrus X A1 ST Disc
Suspension Fork
2020 Sirrus X Steel Disc
Drivetrain
Rear Derailleur
MicroSHIFT Acolyte 8 Speed, with Clutch
Shift Levers
SHIFTER, MICROSHIFT, SS, SL-M6280-R, REAR, MOUNTAIN, HANDLE BAR MOUNT, W/ GEAR DISPLAY, 8 SP
Cassette
microSHIFT Acolyte CS-H084, 12-42t, 8-speed
Crank
Alloy Forged Arms, 34T
Bottom Bracket
BSA, square-taper, 68mm
Chain
KMC X8 w/ Missing Link™
Pedals
Specialized Body Geometry Fitness, Platform, Plastic
Wheels
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
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Spokes
Stainless, 14g
Tires
Front: Pathfinder Sport, 700x42, Rear: Pathfinder Sport, 700x42
Brakes
Brakes
Front: Promax F1, hydraulic disc, flat-mount, 160mm, Rear: Promax F1, hydraulic disc, flat-mount, 160mm
Cockpit
Stem
3D-forged alloy, 31.8mm, 7-degree rise
Handlebar
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Seat
Saddle
Bridge Sport, Steel rails, 155/143mm
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
