Specialized SIRRUS X 1.0 STEP THROUGH - S, Satin Grey Blue / Cast Blue Metallic Frost Reflective, 2026

Technical specifications

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Frame set

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Frame

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Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

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Suspension

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Fork

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Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

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Brakes

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Front brake

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Lee Chi, Mechanical Disc

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Rear Brake

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Lee Chi, Mechanical Disc

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Drive

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Chain

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KMC X8 w/ Missing Link™

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Gears

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Narrow Wide Steel 42T

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Cranks

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Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm

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Shifter

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Shimano Acera, 8-speed

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Shift levers

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

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Centre compound

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Square-tapered, 68mm

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Cassette

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

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Braided wheels and tires

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Rims

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

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Front wheel hub

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

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Front tyre

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Pathfinder Wirebead Fast Gravel 700X40C

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Rear tyre

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Pathfinder Wirebead Fast Gravel 700X40C

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spokes (spokes)

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Stainless, 14g

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Soul

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Standard 40mm SV 700x32-50

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Braided Wheels

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Rear wheel hub

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

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Cockpit

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Handlebar

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3D-forged alloy, 31.8mm, 7-degree rise

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Seatpost

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

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Saddle clamp

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Bolt-type, 31.8mm

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Saddle

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Bridge Sport, Steel rails, 155/143mm

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Handlebar wrap

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Specialized Neutralizer, Body Geometry, locking grip

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Handlebars

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Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm

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Accessories

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Pedals

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Specialized, platform

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Weight

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Weight

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11.72 kg (25 lb, 13.4 oz)

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Product ID

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222050

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Weight in size

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MD

Size chart

The sizes shown are our recommendations. These are approximate values as Specialized, CTM and GHOST each have specific frame geometries. The size of the bike's wheels also matters, so if in doubt about which size to choose, feel free to use our online chat or contact us on our helpline +421 947 974 140 .

Kids Bikes

wheel	age	height
12	2-4y	to 110 cm
16	4-5y	110- 120 cm
20	5-8y	120-135 cm
24	8-11y	135-145 cm

for Adults: wheel sizes 26, 28, 27,5 a 29

size	height
XXS	to 155 cm
XS	to 163 cm
S	to 170 cm
M	to 178 cm
L	to 185 cm
XL	to 193 cm
XXL	above 193 cm