Compare: 2026 XDS X-LAB RS5 Base XS vs 2023 Giant Bicycles Defy Advanced 2 XS

Insights

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of XDS X-LAB RS5

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Giant Bicycles Defy

Stack	530mm	522mm -8mm
Reach	371mm	370mm -1mm
Stack to Reach Ratio	1.43:1	1.41:1
Seat Tube Length, C-T	440mm	410mm -30mm
Top Tube Length, Effective/Horizontal Center	515mm	—
Top Tube Length, Effective/Horizontal HT Top	—	515mm
Top Tube Slope	12.2deg	14.8deg +2.6deg
Head Tube Angle	71deg	70.5deg -0.5deg
Seat Tube Angle	75deg	74.5deg -0.5deg
Head Tube Length	115mm	120mm +5mm
Bottom Bracket Drop	75mm	75mm +0mm
Bottom Bracket Height	268mm	268mm +0mm
Chainstay Length	420mm	420mm +0mm
Chainstay Length Horizontal	413.3mm	413.3mm +0mm
Front-Center	590mm	586.6mm -3.4mm
Front-Center Horizontal	585.8mm	581.8mm -4mm
Wheelbase	999mm	995mm -4mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (On-Axis)	386mm	—
Trail	65.2mm high	68.4mm +3.2mm high
Mechanical Trail	61.7mm	64.5mm +2.8mm
Wheel Flop	20.1mm	21.5mm +1.4mm
Standover Height	725mm	731mm +6mm
Tire to Pedal Spindle	82mm 165 mm cranks	73.6mm -8.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 165 mm cranks	98mm -5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm +0mm
Tire Width Max	38mm	35mm -3mm
Tire Outer Diameter	686mm	686mm +0mm
Bike Length with Tires	1685mm	1681mm -4mm
Crank Length	165mm	170mm +5mm
Handlebar Width	380mm	400mm +20mm
Stem Length	80mm	80mm +0mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc