Compare: 2017 Ridley Bikes Helium X Base XXS vs 2020 LightCarbon lcr006-v Base 520

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Ridley Bikes Helium X

Average stack and reach vs trend of performance road bikes

Stack	507mm	536.3mm +29.3mm
Reach	379mm	375.4mm -3.6mm
Stack to Reach Ratio	1.34:1	1.43:1
Seat Tube Length, C-T	450mm	500mm +50mm
Seat Tube Length, C-C	410mm	—
Top Tube Length, Effective/Horizontal Center	515mm	524mm +9mm
Top Tube Length, Actual C-C	501mm	—
Top Tube Slope	8.2deg	6.1deg -2.1deg
Head Tube Angle	71.8deg	72deg +0.2deg
Seat Tube Angle	75deg	74.5deg -0.5deg
Head Tube Length	107mm	135mm +28mm
Bottom Bracket Drop	68mm	68mm +0mm
Bottom Bracket Height	268mm	271mm +3mm
Chainstay Length	405mm	405mm +0mm
Chainstay Length Horizontal	399.3mm	399.3mm +0mm
Front-Center	574.8mm	576.8mm +2mm
Front-Center Horizontal	570.8mm	572.8mm +2mm
Wheelbase	970mm	972mm +2mm
Fork Offset/Rake	45mm	43mm -2mm
Fork Length (On-Axis)	—	370mm
Trail	63.1mm mid/neutral	64.9mm +1.8mm mid/neutral
Mechanical Trail	59.9mm	61.8mm +1.9mm
Wheel Flop	18.7mm	19.1mm +0.4mm
Standover Height	—	774.8mm
Tire to Pedal Spindle	68.8mm 170 mm cranks	67.8mm -1mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	101mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	28mm +3mm
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1642mm	1650mm +8mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Rim	Rim

Actions	Collection I've Ridden	Collection I've Ridden
Source	ridley	https://www.lightcarbon.com/lightcarbon-aero-road-direct-mount-caliper-brake-frameset_p142.html
Brand	Ridley Bikes	LightCarbon
Bike	2017 Helium X Base	2020 lcr006-v Base
Size	XXS	520
Category	Performance Road	Performance Road