Compare: 2017 Ridley Bikes Helium X Base XS vs 2025 ICAN Flyee Base S (50cm)

Insights

Average 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

Design deviates from other sizes of ICAN Flyee

Stack	526mm	527mm +1mm
Reach	374mm	377mm +3mm
Stack to Reach Ratio	1.41:1	1.4:1
Seat Tube Length, C-T	480mm	465mm -15mm
Seat Tube Length, C-C	440mm	—
Top Tube Length, Effective/Horizontal Center	525mm	—
Top Tube Length, Effective/Horizontal HT Top	—	528.1mm
Top Tube Length, Actual C-C	509mm	—
Top Tube Slope	8.5deg	9deg +0.5deg
Head Tube Angle	72deg	71.5deg -0.5deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	127mm	123.5mm -3.5mm
Bottom Bracket Drop	68mm	72mm +4mm
Bottom Bracket Height	268mm	269mm +1mm
Chainstay Length	405mm	408mm +3mm
Chainstay Length Horizontal	399.3mm	401.6mm +2.3mm
Front-Center	573.8mm	580.1mm +6.3mm
Front-Center Horizontal	569.8mm	575.6mm +5.8mm
Wheelbase	969mm	977.2mm +8.2mm
Fork Offset/Rake	44.6mm	44mm -0.6mm
Fork Length (Axle-To-Crown)	—	371mm
Trail	62.2mm mid/neutral	67.7mm +5.5mm high
Mechanical Trail	59.2mm	64.2mm +5mm
Wheel Flop	18.3mm	20.4mm +2.1mm
Tire to Pedal Spindle	67.8mm 170 mm cranks	69.1mm +1.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	99mm +1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	30mm +5mm
Tire Outer Diameter	672mm	682mm +10mm
Bike Length with Tires	1641mm	1659.2mm +18.2mm
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	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	ridley	https://icancycling.com/products/flyee-road-bike-frame?variant=48743048413462
Brand	Ridley Bikes	ICAN
Bike	2017 Helium X Base	2025 Flyee Base
Size	XS	S (50cm)
Category	Performance Road	Performance Road