Compare: 2021 DENGFU R06 Disc Base 49cm vs 2026 Giant Bicycles Propel Advanced Pro XS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Giant Bicycles Propel Advanced

Stack	510mm	517mm +7mm
Reach	373.5mm	376mm +2.5mm
Stack to Reach Ratio	1.37:1	1.38:1
Seat Tube Length, C-T	—	465mm
Seat Tube Length, C-TTT	480mm	—
Top Tube Length, Effective/Horizontal HT Top	515mm	—
Top Tube Length, Effective/Horizontal Unknown	—	520mm
Top Tube Slope	3.2deg	7.8deg +4.6deg
Head Tube Angle	71.5deg	71deg -0.5deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	130mm	120mm -10mm
Bottom Bracket Drop	69mm	72mm +3mm
Bottom Bracket Height	270mm	267mm -3mm
Chainstay Length	405mm	405mm +0mm
Chainstay Length Horizontal	399.1mm	398.6mm -0.5mm
Front-Center	572.7mm	581.9mm +9.2mm
Front-Center Horizontal	573.9mm	577.5mm +3.6mm
Wheelbase	973mm	976mm +3mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	370mm	—
Trail	66mm high	69.1mm +3.1mm high
Mechanical Trail	62.6mm	65.4mm +2.8mm
Wheel Flop	19.9mm	21.3mm +1.4mm
Standover Height	—	734mm
Tire to Pedal Spindle	63.7mm 170 mm cranks	72.9mm +9.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	100mm 170 mm cranks	97mm -3mm 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	1651mm	1654mm +3mm
Crank Length	—	170mm
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	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	http://www.dengfubikes.com/ROAD_FRAME/253.html	https://www.giant-bicycles.com/md/propel-advanced-sl-team-frameset-2026
Brand	DENGFU	Giant Bicycles
Bike	2021 R06 Disc Base	2026 Propel Advanced Pro
Size	49cm	XS
Category	Performance Road	Performance Road