2025 Specialized Sirrus X 2.0 Step-Through – Fitness Bike
Specifications
Specification |
Details |
Model |
Sirrus X 2.0 Step-Through |
Vehicle Category |
Fitness Bike |
Application |
Commuting, fitness, exploration |
Starting Price (2025) |
$899.99 USD |
Color Options |
Gloss Desert Metallic |
Sizes |
XS, S, M |
Frame & Drivetrain
Specification |
Details |
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 |
Drivetrain Compatibility |
Shimano Cues, 9-speed |
Dropouts |
Quick-release, 100mm (F), 135mm (R) |
Crank |
Prowheel Alloy, XS: 165mm, S-M: 170mm |
Chain |
KMC eGlide for 11-Speed Cues |
Rear Derailleur |
Shimano, RD-U4000, CUES, Gs 9-Speed, Top Normal, Shadow Design, Direct Attachment |
Shifters |
Shimano, SL-U4000-9R, CUES, Right, 9-Speed Rapidfire, W/ Optical Gear Display |
Cassette |
Shimano Cues, 9 speed, 11-46T |
Components & Features
Specification |
Details |
Seating |
Bridge Sport, Steel rails, 155/143mm |
Cargo Capacity |
Plug + Play rack/fender mounts, low rider rack mounts |
Wheels/Tyres |
Front: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h, Pathfinder Wirebead Fast Gravel 700X40C; Rear: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h, Pathfinder Wirebead Fast Gravel 700X40C |
Brakes |
Promax F1, hydraulic disc, flat-mount, 160mm (F and R) |
Brake Levers |
Promax F1 |
Handlebar |
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm |
Stem |
3D-forged alloy, 31.8mm, 7-degree rise |
Saddle |
Bridge Sport, Steel rails, 155/143mm |
Seatpost |
Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
Seatpost Clamp |
Bolt-type, 31.8mm |
Grips |
Specialized Neutralizer, Body Geometry, locking grip |
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 |
Pedals |
Specialized, platform |
Exterior Features |
Internal cable routing, Plug + Play rack/fender mounts, low rider rack mounts |