2017 Ridley Bikes Helium X Base L

Build

700C/29 in × 25 mm

Insights

Somewhat upright stack and reach vs trend of performance road bikes
Design deviates from other sizes of Ridley Bikes Helium X

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
599mm
Reach
396mm
Stack to Reach Ratio
1.51:1
Seat Tube Length, C-T
570mm
Seat Tube Length, C-C
530mm
Top Tube Length, Effective/Horizontal Center
585mm
Top Tube Length, Actual C-C
567mm
Top Tube Slope
7.2deg
Head Tube Angle
73.5deg
Seat Tube Angle
72.5deg
Head Tube Length
202mm
Bottom Bracket Drop
63mm
Bottom Bracket Height
273mm
Chainstay Length
408mm
Chainstay Length Horizontal
403.1mm
Front-Center
605.2mm
Front-Center Horizontal
601.9mm
Wheelbase
1005mm
Fork Offset/Rake
45.2mm
Trail
52.4mm
mid/​neutral
Mechanical Trail
50.3mm
Wheel Flop
14.3mm
Tire to Pedal Spindle Distance
With 170 mm cranks
99.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
25mm
Tire Outer Diameter
672mm
Bike Length with Tires
1677mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Rim
Source:ridley