Compare: 2017 Ridley Bikes Helium X Base XS vs 2023 Alvas Climax CX1 XS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Ridley Bikes Helium X

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of Alvas Climax

Stack	526mm	528mm +2mm
Reach	374mm	370mm -4mm
Stack to Reach Ratio	1.41:1	1.43:1
Seat Tube Length, C-T	480mm	—
Seat Tube Length, C-C	440mm	—
Seat Tube Length, Unknown	—	460mm
Top Tube Length, Effective/Horizontal Center	525mm	—
Top Tube Length, Effective/Horizontal Unknown	—	516mm
Top Tube Length, Actual C-C	509mm	—
Top Tube Slope	8.5deg	9.8deg +1.3deg
Head Tube Angle	72deg	71.5deg -0.5deg
Seat Tube Angle	74deg	74.5deg +0.5deg
Head Tube Length	127mm	125mm -2mm
Bottom Bracket Drop	68mm	68mm +0mm
Bottom Bracket Height	268mm	271mm +3mm
Chainstay Length	405mm	408mm +3mm
Chainstay Length Horizontal	399.3mm	402.3mm +3mm
Front-Center	573.8mm	574.7mm +0.9mm
Front-Center Horizontal	569.8mm	570.7mm +0.9mm
Wheelbase	969mm	973mm +4mm
Fork Offset/Rake	44.6mm	45mm +0.4mm
Trail	62.2mm mid/neutral	66mm +3.8mm high
Mechanical Trail	59.2mm	62.6mm +3.4mm
Wheel Flop	18.3mm	19.9mm +1.6mm
Standover Height	—	742mm
Tire to Pedal Spindle	67.8mm 170 mm cranks	65.7mm -2.1mm 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	1641mm	1651mm +10mm
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://www.aliexpress.us/item/3256809245651316.html
Brand	Ridley Bikes	Alvas
Bike	2017 Helium X Base	2023 Climax CX1
Size	XS	XS
Category	Performance Road	Performance Road