2013 Ridley Bikes Helium SL Base M

Build

700C/29 in × 28 mm

Insights

Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Ridley Bikes Helium SL

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
575mm
Reach
390mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, C-T
540mm
Seat Tube Length, C-C
500mm
Top Tube Length, Unknown
565mm
Top Tube Slope
6.1deg
Head Tube Angle
73.5deg
Seat Tube Angle
73deg
Head Tube Length
175mm
Bottom Bracket Drop
66mm
Bottom Bracket Height
273mm
Chainstay Length
405mm
Chainstay Length Horizontal
399.6mm
Front-Center
594.1mm
Front-Center Horizontal
590.4mm
Wheelbase
990mm
Fork Offset/Rake
47.6mm
Trail
50.8mm
mid/​neutral
Mechanical Trail
48.7mm
Wheel Flop
13.8mm
Standover Height
780mm
Tire to Pedal Spindle Distance
With 170 mm cranks
85.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1668mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Rim
Source:https://www.competitivecyclist.com/ridley-helium-sl-10-road-bike-frameset-2016#pdp-tab-geometry-chart