Cannondale SuperX 1

An all-road gravel bike from 2026, made in 6 sizes from 46 to 61. Fits tyres up to 48 mm.

Size

Stack 555 mmReach 378 mm

Geometry

Cannondale SuperX 1 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	515	535	555	575	595	615
Reach (mm)How far forward the bars start	365	371	378	385	392	398
Stack ÷ reach Higher = more upright	1.41	1.44	1.47	1.49	1.52	1.55
Top tube (effective) (mm)Horizontal top-tube length	510	521	540	558	575	594
Seat tube angle Saddle position over the pedals	74.3°	74.3°	73.7°	73.3°	72.9°	72.3°
Seat tube length (mm)Frame size reference	449	488	524	546	566	589
Head tube length (mm)Front-end height	86	108	132	153	177	198
Standover (mm)Clearance when you stop	746	782	812	832	836	849
Handling
Head tube angle Steeper = quicker steering	70°	71°	71°	71°	71°	71°
Fork offset (mm)Fork rake	55	55	55	55	55	55
Trail (mm)More = steadier steering	72	65	65	65	65	65
Wheelbase (mm)Longer = more stable	998	1005	1020	1034	1049	1062
Chainstay (mm)Shorter = snappier	422	422	422	422	422	422
BB drop (mm)More = lower centre of gravity	77	72	69	69	67	67
BB height (mm)Pedal clearance in corners	259	264	267	267	269	269
Front centre (mm)Room for your toes	588	593	607	621	636	648

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

Quick enough for spirited riding, comfortable enough for long days on mixed terrain.

Size 54 is lower and longer than 56% of the 106 gravel frames we track.

The closest gravel frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Canyon Grail CF 8 1by2025Stack +1 mm, reach +7 mm	XS	+1 mm	+7 mm
Wilier Jena2026Stack +1 mm, reach −6 mm	S	+1 mm	−6 mm
Specialized Crux 5 Comp - SRAM Rival XPLR2027Stack −8 mm, reach +4 mm	52	−8 mm	+4 mm
Giant Revolt Advanced 0 SE2026Stack +1 mm, reach +3 mm	XS	+1 mm	+3 mm
Trek Checkpoint SL 5 AXS Gen 32026Stack +1 mm, reach +8 mm	SM	+1 mm	+8 mm
MMR X-Tour 002026Stack −10 mm, reach −8 mm	S	−10 mm	−8 mm