Compare: 2017 Ridley Bikes Helium X Base XS vs 2024 LongTeng (LT Bike) RD301-D Base 500

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 LongTeng (LT Bike) RD301-D

Stack	526mm	526mm +0mm
Reach	374mm	376mm +2mm
Stack to Reach Ratio	1.41:1	1.4:1
Seat Tube Length, C-T	480mm	453mm -27mm
Seat Tube Length, C-C	440mm	—
Top Tube Length, Effective/Horizontal Center	525mm	521mm -4mm
Top Tube Length, Actual C-C	509mm	—
Top Tube Slope	8.5deg	10.2deg +1.7deg
Head Tube Angle	72deg	72.1deg +0.1deg
Seat Tube Angle	74deg	74.6deg +0.6deg
Head Tube Length	127mm	111mm -16mm
Bottom Bracket Drop	68mm	72mm +4mm
Bottom Bracket Height	268mm	271mm +3mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	399.3mm	403.6mm +4.3mm
Front-Center	573.8mm	575mm +1.2mm
Front-Center Horizontal	569.8mm	570.4mm +0.6mm
Wheelbase	969mm	974mm +5mm
Fork Offset/Rake	44.6mm	45mm +0.4mm
Fork Length (Axle-To-Crown)	—	380mm
Trail	62.2mm mid/neutral	63.5mm +1.3mm mid/neutral
Mechanical Trail	59.2mm	60.4mm +1.2mm
Wheel Flop	18.3mm	18.6mm +0.3mm
Tire to Pedal Spindle	67.8mm 170 mm cranks	62mm -5.8mm 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	32mm +7mm
Tire Outer Diameter	672mm	686mm +14mm
Bike Length with Tires	1641mm	1660mm +19mm
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.ltbikes.com/index/products/view/id/401.html
Brand	Ridley Bikes	LongTeng (LT Bike)
Bike	2017 Helium X Base	2024 RD301-D Base
Size	XS	500
Category	Performance Road	Performance Road