Compare: 2021 DENGFU FM098 Disc 49cm vs 2025 Lapierre Xelius DRS 8.0 XS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of DENGFU FM098

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Lapierre Xelius DRS

Stack	505.8mm	501mm -4.8mm
Reach	373.2mm	376mm +2.8mm
Stack to Reach Ratio	1.36:1	1.33:1
Seat Tube Length, C-T	440mm	440mm +0mm
Top Tube Length, Effective/Horizontal Center	518.2mm	520mm +1.8mm
Top Tube Slope	9.5deg	8.9deg -0.6deg
Head Tube Angle	73deg	72deg -1deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	100mm	105mm +5mm
Bottom Bracket Drop	70mm	67mm -3mm
Bottom Bracket Height	273mm	266mm -7mm
Chainstay Length	405mm	405mm +0mm
Chainstay Length Horizontal	398.9mm	399.4mm +0.5mm
Front-Center	556mm	573.5mm +17.5mm
Front-Center Horizontal	551.4mm	569.6mm +18.2mm
Wheelbase	950.3mm	969mm +18.7mm
Fork Offset/Rake	43mm	50mm +7mm
Fork Length, Unknown	368mm	368mm +0mm
Trail	59.9mm mid/neutral	55.6mm -4.3mm mid/neutral
Mechanical Trail	57.3mm	52.9mm -4.4mm
Wheel Flop	16.8mm	16.4mm -0.4mm
Tire to Pedal Spindle	43mm 170 mm cranks	70.5mm +27.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	96mm -7mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	22mm -10mm
Tire Outer Diameter	686mm	666mm -20mm
Bike Length with Tires	1636.3mm	1635mm -1.3mm
Handlebar Width	400mm	—
Stem Length	80mm	—
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	Disc	Unknown

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.dengfubike.com/collections/carbon-bike-frame/products/fm098-disc-frame	Lapierre
Brand	DENGFU	Lapierre
Bike	2021 FM098 Disc	2025 Xelius DRS 8.0
Size	49cm	XS
Category	Performance Road	Performance Road