Compare: 2026 Giant Bicycles Propel Advanced Pro XL vs 2025 SPCYCLE SP-R066 Base XXL

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Giant Bicycles Propel Advanced

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of SPCYCLE SP-R066

Stack	596mm	581mm -15mm
Reach	412mm	397mm -15mm
Stack to Reach Ratio	1.45:1	1.46:1
Seat Tube Length, C-T	595mm	560mm -35mm
Top Tube Length, Effective/Horizontal HT Top	—	569mm
Top Tube Length, Effective/Horizontal Unknown	600mm	—
Top Tube Slope	2.8deg	4.5deg +1.7deg
Head Tube Angle	73deg	73deg +0deg
Seat Tube Angle	72.5deg	73.8deg +1.3deg
Head Tube Length	200mm	174mm -26mm
Bottom Bracket Drop	67mm	72mm +5mm
Bottom Bracket Height	272mm	271mm -1mm
Chainstay Length	405mm	408mm +3mm
Chainstay Length Horizontal	399.4mm	401.6mm +2.2mm
Front-Center	624.2mm	604mm -20.2mm
Front-Center Horizontal	620.6mm	599.4mm -21.2mm
Wheelbase	1020mm	1001mm -19mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	—	371mm
Trail	56.6mm mid/neutral	57.8mm +1.2mm mid/neutral
Mechanical Trail	54.1mm	55.3mm +1.2mm
Wheel Flop	15.8mm	16.2mm +0.4mm
Standover Height	834mm	830mm -4mm
Tire to Pedal Spindle	110.2mm 175 mm cranks	91mm -19.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 175 mm cranks	101mm +4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	32mm +4mm
Tire Width Max	—	32mm
Tire Outer Diameter	678mm	686mm +8mm
Bike Length with Tires	1698mm	1687mm -11mm
Crank Length	175mm	—
Handlebar Width	440mm	—
Stem Length	120mm	—
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