Compare: 2017 Ridley Bikes Helium X Base XS vs 2021 DENGFU R06 Disc Base 52cm

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Ridley Bikes Helium X

Somewhat aggressive stack and reach vs trend of performance road bikes

Stack	526mm	516.5mm -9.5mm
Reach	374mm	381.8mm +7.8mm
Stack to Reach Ratio	1.41:1	1.35:1
Seat Tube Length, C-T	480mm	—
Seat Tube Length, C-TTT	—	500mm
Seat Tube Length, C-C	440mm	—
Top Tube Length, Effective/Horizontal Center	525mm	—
Top Tube Length, Effective/Horizontal HT Top	—	525mm
Top Tube Length, Actual C-C	509mm	—
Top Tube Slope	8.5deg	1.7deg -6.8deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	74deg	74.5deg +0.5deg
Head Tube Length	127mm	135mm +8mm
Bottom Bracket Drop	68mm	69mm +1mm
Bottom Bracket Height	268mm	270mm +2mm
Chainstay Length	405mm	405mm +0mm
Chainstay Length Horizontal	399.3mm	399.1mm -0.2mm
Front-Center	573.8mm	578.6mm +4.8mm
Front-Center Horizontal	569.8mm	574.5mm +4.7mm
Wheelbase	969mm	973.6mm +4.6mm
Fork Offset/Rake	44.6mm	45mm +0.4mm
Fork Length, Unknown	—	370mm
Trail	62.2mm mid/neutral	62.8mm +0.6mm mid/neutral
Mechanical Trail	59.2mm	59.8mm +0.6mm
Wheel Flop	18.3mm	18.5mm +0.2mm
Tire to Pedal Spindle	67.8mm 170 mm cranks	69.6mm +1.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	100mm +2mm 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	1651.6mm +10.6mm
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.dengfubike.com/collections/carbon-bike-frame/products/r06-frame?variant=28857691668585
Brand	Ridley Bikes	DENGFU
Bike	2017 Helium X Base	2021 R06 Disc Base
Size	XS	52cm
Category	Performance Road	Performance Road