2026 Specialized Bicycles Sirrus X 5.0 - Carbon "Compliance Junction" Frame XXL

Build

700C/29 in × 38 mm

Insights

Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Specialized Bicycles Sirrus X
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs progressive gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
710mm
Reach
425mm
Stack to Reach Ratio
1.67:1
Seat Tube Length, C-T
563mm
Top Tube Length, Effective/Horizontal HT Top
644mm
Top Tube Slope
16.2deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
237mm
Bottom Bracket Drop
80mm
Bottom Bracket Height
269mm
Chainstay Length
440mm
Chainstay Length Horizontal
432.7mm
Front-Center
700mm
Front-Center Horizontal
695.3mm
Wheelbase
1128mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
395mm
Trail
66.2mm
high
Mechanical Trail
62.6mm
Wheel Flop
20.4mm
Standover Height
872.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
181mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
99mm

5.0 - Carbon "Compliance Junction" Frame Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
38mm
Tire Outer Diameter
698mm
Bike Length with Tires
1826mm
Stem Length
110mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc