Compare: 2024 TWITTER Bikes c6-24 6061 700 S S vs 2025 Cannondale SuperX Base 51

Insights

Average stack and reach vs trend of endurance road bikes

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Cannondale SuperX

Bar type unusual for category

This: Moto/Klunker/Riser Bar
Category: Drop Bar

Stack	544mm	535mm -9mm
Reach	373mm	371mm -2mm
Stack to Reach Ratio	1.46:1	1.44:1
Seat Tube Length, C-T	—	488mm
Seat Tube Length, Unknown	445mm	—
Top Tube Length, Effective/Horizontal Center	—	521mm
Top Tube Length, Effective/Horizontal HT Top	530mm	—
Top Tube Slope	13.2deg	7.4deg -5.8deg
Head Tube Angle	71.5deg	71deg -0.5deg
Seat Tube Angle	74deg	74.3deg +0.3deg
Head Tube Length	130mm	108mm -22mm
Bottom Bracket Drop	70mm	72mm +2mm
Bottom Bracket Height	269mm	279mm +10mm
Chainstay Length	415mm	422mm +7mm
Chainstay Length Horizontal	409.1mm	415.8mm +6.7mm
Front-Center	581mm	593mm +12mm
Front-Center Horizontal	577mm	589.2mm +12.2mm
Wheelbase	986mm	1005mm +19mm
Fork Offset/Rake	45mm	55mm +10mm
Fork Length (On-Axis)	384mm	—
Fork Length (Axle-To-Crown)	—	400mm
Trail	66mm high	62.7mm -3.3mm mid/neutral
Mechanical Trail	62.6mm	59.3mm -3.3mm
Wheel Flop	19.9mm	19.3mm -0.6mm
Standover Height	733mm	782mm +49mm
Tire to Pedal Spindle	72mm 170 mm cranks	72mm +0mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	109mm +10mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	40mm +12mm
Tire Outer Diameter	678mm	702mm +24mm
Bike Length with Tires	1664mm	1707mm +43mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Moto/Klunker/Riser Bar
Frame Material	Aluminum	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown