Compare: 2026 CarbonSpeed XMCS Gran Turismo Base 56 vs 2026 Bianchi Infinito CV all 550

Insights

Average stack and reach vs trend of endurance road bikes

Somewhat upright stack and reach vs trend of endurance road bikes

Stack	582.4mm	584mm +1.6mm
Reach	380.2mm	377mm -3.2mm
Stack to Reach Ratio	1.53:1	1.55:1
Seat Tube Length, C-T	—	500mm
Seat Tube Length, C-TTT	540mm	—
Top Tube Length, Effective/Horizontal Center	558.3mm	550mm -8.3mm
Top Tube Slope	4.9deg	—
Head Tube Angle	72.5deg	72deg -0.5deg
Seat Tube Angle	73deg	—
Effective Seat Tube Angle, Seat Tube Top	—	73.5deg
Head Tube Length	173.9mm	165mm -8.9mm
Bottom Bracket Drop	72.1mm	73mm +0.9mm
Bottom Bracket Height	273.9mm	273mm -0.9mm
Chainstay Length	422mm	422mm +0mm
Chainstay Length Horizontal	415.8mm	415.6mm -0.2mm
Front-Center	594.8mm	592mm -2.8mm
Front-Center Horizontal	590.4mm	587.4mm -3mm
Wheelbase	1006.2mm	1003mm -3.2mm
Fork Offset/Rake	47mm	42mm -5mm
Fork Length (Axle-To-Crown)	—	385mm
Fork Length, Unknown	375mm	—
Trail	59.8mm mid/neutral	68.3mm +8.5mm high
Mechanical Trail	57mm	64.9mm +7.9mm
Wheel Flop	17.2mm	20.1mm +2.9mm
Tire to Pedal Spindle	78.8mm 170 mm cranks	76mm -2.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	103.9mm 170 mm cranks	103mm -0.9mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	35mm	35mm +0mm
Tire Width Max	35mm	40mm +5mm
Tire Outer Diameter	692mm	692mm +0mm
Bike Length with Tires	1698.2mm	1695mm -3.2mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	100mm
Stem Angle	—	-7deg
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