Compare: 2017 Ridley Bikes Helium X Base XS vs 2025 QUICK blade Base 486

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 QUICK blade

Stack	526mm	525mm -1mm
Reach	374mm	373mm -1mm
Stack to Reach Ratio	1.41:1	1.41:1
Seat Tube Length, C-T	480mm	—
Seat Tube Length, C-C	440mm	—
Top Tube Length, Effective/Horizontal Center	525mm	—
Top Tube Length, Effective/Horizontal HT Top	—	524mm
Top Tube Length, Actual C-C	509mm	—
Top Tube Slope	8.5deg	—
Head Tube Angle	72deg	71.5deg -0.5deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	127mm	117mm -10mm
Bottom Bracket Drop	68mm	72mm +4mm
Bottom Bracket Height	268mm	267mm -1mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	399.3mm	403.6mm +4.3mm
Front-Center	573.8mm	576.9mm +3.1mm
Front-Center Horizontal	569.8mm	572.4mm +2.6mm
Wheelbase	969mm	976mm +7mm
Fork Offset/Rake	44.6mm	45mm +0.4mm
Fork Length, Unknown	—	375mm
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	—	764mm
Tire to Pedal Spindle	67.8mm 170 mm cranks	67.9mm +0.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	97mm -1mm 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	1654mm +13mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Rim	Unknown

Actions	Collection I've Ridden	Collection I've Ridden
Source	ridley	https://www.quickprousa.com/products/blade-frame
Brand	Ridley Bikes	QUICK
Bike	2017 Helium X Base	2025 blade Base
Size	XS	486
Category	Performance Road	Performance Road