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

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Ridley Bikes Helium X

Stack	544.8mm	542mm -2.8mm
Reach	382.4mm	384mm +1.6mm
Stack to Reach Ratio	1.42:1	1.41:1
Seat Tube Length, C-T	—	510mm
Seat Tube Length, C-C	—	470mm
Seat Tube Length, Unknown	520mm	—
Top Tube Length, Effective/Horizontal Center	—	545mm
Top Tube Length, Effective/Horizontal Unknown	549mm	—
Top Tube Length, Actual C-C	—	529mm
Top Tube Slope	5.1deg	7.6deg +2.5deg
Head Tube Angle	72.5deg	73deg +0.5deg
Seat Tube Angle	73deg	73.5deg +0.5deg
Head Tube Length	145mm	142mm -3mm
Bottom Bracket Drop	68mm	66mm -2mm
Bottom Bracket Height	271mm	270mm -1mm
Chainstay Length	408mm	405mm -3mm
Chainstay Length Horizontal	402.3mm	399.6mm -2.7mm
Front-Center	583.7mm	581.2mm -2.5mm
Front-Center Horizontal	579.7mm	577.4mm -2.3mm
Wheelbase	982mm	977mm -5mm
Fork Offset/Rake	45mm	45.8mm +0.8mm
Trail	59.7mm mid/neutral	54.8mm -4.9mm mid/neutral
Mechanical Trail	56.9mm	52.4mm -4.5mm
Wheel Flop	17.1mm	15.3mm -1.8mm
Standover Height	789mm	—
Tire to Pedal Spindle	74.7mm 170 mm cranks	75.2mm +0.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	100mm -1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	25mm -3mm
Tire Outer Diameter	678mm	672mm -6mm
Bike Length with Tires	1660mm	1649mm -11mm
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	Disc	Rim

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.aliexpress.us/item/3256809245651316.html	ridley
Brand	Alvas	Ridley Bikes
Bike	2023 Climax CX1	2017 Helium X Base
Size	M	S
Category	Performance Road	Performance Road