Compare: 2024 OG-EVKIN QONQI Base Large vs 2026 BMC Switzerland Teammachine SLR 01 ONE Frame 54

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of OG-EVKIN QONQI

Average stack and reach vs trend of performance road bikes

Stack	546.2mm	550mm +3.8mm
Reach	389.8mm	386mm -3.8mm
Stack to Reach Ratio	1.4:1	1.42:1
Seat Tube Length, C-T	—	491mm
Seat Tube Length, Unknown	480mm	—
Top Tube Length, Effective/Horizontal Unknown	548.5mm	—
Top Tube Length, Actual C-C	—	552mm
Top Tube Slope	9.3deg	8.6deg -0.7deg
Head Tube Angle	72.5deg	72.3deg -0.2deg
Seat Tube Angle	73.8deg	73.5deg -0.3deg
Head Tube Length	141mm	149mm +8mm
Bottom Bracket Drop	68mm	69mm +1mm
Bottom Bracket Height	268mm	272mm +4mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	399.3mm	404.2mm +4.9mm
Front-Center	589.6mm	589mm -0.6mm
Front-Center Horizontal	585.6mm	584.9mm -0.7mm
Wheelbase	984.9mm	989mm +4.1mm
Fork Offset/Rake	43mm	43mm +0mm
Fork Length (On-Axis)	—	369mm
Trail	60.9mm mid/neutral	63.7mm +2.8mm mid/neutral
Mechanical Trail	58mm	60.7mm +2.7mm
Wheel Flop	17.5mm	18.5mm +1mm
Standover Height	—	779mm
Tire to Pedal Spindle	83.6mm 170 mm cranks	75.5mm -8.1mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	99.5mm +1.5mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	30mm +5mm
Tire Outer Diameter	672mm	682mm +10mm
Bike Length with Tires	1656.9mm	1671mm +14.1mm
Crank Length	—	172.5mm
Handlebar Width	—	400436mm
Stem Length	—	100mm
Stem Angle	—	-12deg
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Unknown	Carbon/Composite
Fork Material	Unknown	Carbon/Composite
Brake Type	Unknown	Disc