Compare: 2023 BXT BXT-SL-115 Base 56 vs 2025 Sava Starship Base 580 (XL)

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of BXT BXT-SL-115

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Sava Starship

Stack	554.8mm	580.5mm +25.7mm
Reach	398.7mm	405mm +6.3mm
Stack to Reach Ratio	1.39:1	1.43:1
Seat Tube Length, C-T	496mm	—
Seat Tube Length, Unknown	—	517mm
Top Tube Length, Effective/Horizontal HT Top	563mm	—
Top Tube Length, Effective/Horizontal Unknown	—	577mm
Top Tube Slope	8.4deg	8.7deg +0.3deg
Head Tube Angle	73.5deg	73.5deg +0deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	151mm	178mm +27mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	271mm	267mm -4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.6mm +0mm
Front-Center	593mm	612mm +19mm
Front-Center Horizontal	588.6mm	607.9mm +19.3mm
Wheelbase	992.2mm	1011.5mm +19.3mm
Fork Offset/Rake	45mm	50mm +5mm
Fork Length, Unknown	365.8mm	368mm +2.2mm
Trail	54.7mm mid/neutral	48.3mm -6.4mm mid/neutral
Mechanical Trail	52.4mm	46.3mm -6.1mm
Wheel Flop	14.9mm	13.1mm -1.8mm
Standover Height	—	803mm
Tire to Pedal Spindle	80mm 170 mm cranks	103mm +23mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	97mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Width Max	32mm	—
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1678.2mm	1689.5mm +11.3mm
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	Disc	Disc