Compare: 2026 Sava Gelaro S4 GRX400 Carbon Gravel Bike US Base 470(XS) vs 2026 Mondince FM 366 Base 490

Insights

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

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

Design deviates from other sizes of Mondince FM 366

Stack	533.6mm	562mm +28.4mm
Reach	360mm	364mm +4mm
Stack to Reach Ratio	1.48:1	1.54:1
Seat Tube Length, C-TTT	—	460mm
Seat Tube Length, Unknown	470mm	—
Top Tube Length, Effective/Horizontal Center	—	525mm
Top Tube Length, Effective/Horizontal Unknown	512.4mm	—
Top Tube Slope	9.5deg	11.5deg +2deg
Head Tube Angle	70.3deg	70.5deg +0.2deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	110mm	125mm +15mm
Bottom Bracket Drop	75mm	80mm +5mm
Bottom Bracket Height	276mm	288mm +12mm
Chainstay Length	430mm	430mm +0mm
Chainstay Length Horizontal	423.4mm	422.5mm -0.9mm
Front-Center	582.2mm	597.9mm +15.7mm
Front-Center Horizontal	577.3mm	592.5mm +15.2mm
Wheelbase	1000.7mm	1015mm +14.3mm
Fork Offset/Rake	50mm	54.5mm +4.5mm
Fork Length (On-Axis)	—	405mm
Fork Length, Unknown	394mm	—
Trail	72.6mm high	72.5mm -0.1mm high
Mechanical Trail	68.3mm	68.3mm +0mm
Wheel Flop	23mm	22.8mm -0.2mm
Standover Height	769.8mm	—
Tire to Pedal Spindle	61.2mm 170 mm cranks	59.9mm -1.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	118mm +12mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	57mm +17mm
Tire Width Max	—	57mm
Tire Outer Diameter	702mm	736mm +34mm
Bike Length with Tires	1702.7mm	1751mm +48.3mm
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	Unknown	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	savadeck-bike.com	Mondince.com
Brand	Sava	Mondince
Bike	2026 Gelaro S4 GRX400 Carbon Gravel Bike US Base	2026 FM 366 Base
Size	470(XS)	490
Category	All-road/Gravel	All-road/Gravel