Compare: 2021 DENGFU R06 Disc Base 54cm vs 2026 XMCS Aero 2026 Base Small

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of DENGFU R06 Disc

Average stack and reach vs trend of performance road bikes

Stack	523.7mm	525mm +1.3mm
Reach	384.8mm	378mm -6.8mm
Stack to Reach Ratio	1.36:1	1.39:1
Seat Tube Length, C-TTT	520mm	—
Seat Tube Length, Unknown	—	500mm
Top Tube Length, Effective/Horizontal HT Top	535mm	—
Top Tube Length, Effective/Horizontal Unknown	—	529mm
Top Tube Slope	0.5deg	4.9deg +4.4deg
Head Tube Angle	72.5deg	72deg -0.5deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	140mm	121.9mm -18.1mm
Bottom Bracket Drop	69mm	70mm +1mm
Bottom Bracket Height	270mm	269mm -1mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	399.1mm	404mm +4.9mm
Front-Center	579.5mm	577mm -2.5mm
Front-Center Horizontal	575.4mm	573mm -2.4mm
Wheelbase	974.5mm	977mm +2.5mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	370mm	370mm +0mm
Trail	59.7mm mid/neutral	62.8mm +3.1mm mid/neutral
Mechanical Trail	56.9mm	59.8mm +2.9mm
Wheel Flop	17.1mm	18.5mm +1.4mm
Tire to Pedal Spindle	70.5mm 170 mm cranks	68mm -2.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	100mm 170 mm cranks	99mm -1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1652.5mm	1655mm +2.5mm
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	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.dengfubike.com/collections/carbon-bike-frame/products/r06-frame?variant=28857691668585	https://www.instagram.com/p/DRxSz9fktyz/?hl=en-gb
Brand	DENGFU	XMCS
Bike	2021 R06 Disc Base	2026 Aero 2026 Base
Size	54cm	Small
Category	Performance Road	Performance Road