Basso Palta III

An adventure-ready gravel bike from 2026, made in 6 sizes from XS to XXL. Fits tyres up to 52 mm.

Size

Stack 570 mmReach 373 mm

Geometry

Basso Palta III geometry by frame size
Size
Fit
Stack (mm)How high the front sits	530	550	570	590	605	620
Reach (mm)How far forward the bars start	354	362	373	385	398	405
Stack ÷ reach Higher = more upright	1.50	1.52	1.53	1.53	1.52	1.53
Top tube (effective) (mm)Horizontal top-tube length	496	515	540	560	578	595
Seat tube angle Saddle position over the pedals	75°	74.5°	73.7°	73.5°	73.5°	73°
Seat tube length (mm)Frame size reference	410	450	490	520	550	580
Head tube length (mm)Front-end height	112	127	146	163	179	193
Standover (mm)Clearance when you stop	737	770	802	827	850	827
Handling
Head tube angle Steeper = quicker steering	68°	69°	70°	71°	71°	71°
Wheelbase (mm)Longer = more stable	1012	1013	1026	1035	1054	1060
Chainstay (mm)Shorter = snappier	430	430	430	430	430	430
BB drop (mm)More = lower centre of gravity	71	71	71	71	71	71
BB height (mm)Pedal clearance in corners	265	265	265	265	265	265

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

An upright, steady position that suits loaded bikes and long hours in the saddle.

Size M is more upright than 82% of the 106 gravel frames we track.

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

Bikes with a similar fit, compared with size M of this bike
Bike	Size	Stack	Reach
Kross ESKER 1.02026Stack +2 mm, reach +3 mm	S	+2 mm	+3 mm
Megamo JAKAR 202026Stack same, reach +3 mm	M	same	+3 mm
Basso Vega Gravel2026Stack +12 mm, reach −4 mm	M	+12 mm	−4 mm
Basso Tera2026Stack +4 mm, reach −14 mm	M	+4 mm	−14 mm
MMR X-Tour 002026Stack −1 mm, reach +7 mm	M	−1 mm	+7 mm
Giant Revolt Advanced 0 SE2026Stack same, reach +8 mm	S	same	+8 mm