2025 Borant Eclipse Base

	430	450	480	510	540	570	600
Stack	505mm	506mm	515mm	534mm	557mm	583mm	612mm
Reach	373mm	382mm	383mm	387mm	390mm	392mm	402mm
Stack to Reach Ratio	1.35:1	1.32:1	1.34:1	1.38:1	1.43:1	1.49:1	1.52:1
Seat Tube Length, C-T	436mm	455mm	475mm	500mm	525mm	550mm	580mm
Top Tube Length, Effective/Horizontal HT Top	505mm	515mm	525mm	540mm	555mm	570mm	590mm
Top Tube Slope	9.8deg	7.6deg	6.4deg	5.8deg	5.7deg	5.9deg	5.7deg
Head Tube Angle	71.5deg	72deg	72.5deg	73deg	73deg	73deg	73deg
Seat Tube Angle	75deg	75deg	74.5deg	74deg	73.5deg	73deg	73deg
Head Tube Length	90mm	90mm	105mm	130mm	155mm	185mm	215mm
Bottom Bracket Drop	72.5mm	72.5mm	72.5mm	70mm	70mm	67.5mm	67.5mm
Bottom Bracket Height	266.5mm	266.5mm	266.5mm	269mm	269mm	271.5mm	271.5mm
Chainstay Length	405mm	405mm	408mm	408mm	408mm	410mm	410mm
Chainstay Length Horizontal	398.5mm	398.5mm	401.5mm	402mm	402mm	404.4mm	404.4mm
Front-Center	571.2mm	575.1mm	575.1mm	578.3mm	588.2mm	598.4mm	617.3mm
Front-Center Horizontal	566.5mm	570.5mm	570.5mm	574.1mm	584.1mm	594.6mm	613.6mm
Wheelbase	965mm	969mm	972mm	976mm	986mm	999mm	1018mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	367mm	367mm	367mm	367mm	367mm	367mm	367mm
Trail	68.1mm high	64.9mm mid/neutral	61.8mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral
Mechanical Trail	64.6mm	61.8mm	58.9mm	56.1mm	56.1mm	56.1mm	56.1mm
Wheel Flop	20.5mm	19.1mm	17.7mm	16.4mm	16.4mm	16.4mm	16.4mm
Tire to Pedal Spindle	67.2mm 165 mm cranks	66.1mm 170 mm cranks	66.1mm 170 mm cranks	66.8mm 172.5 mm cranks	76.7mm 172.5 mm cranks	84.4mm 175 mm cranks	103.3mm 175 mm cranks
Pedal Spindle to Ground Clearance	101.5mm 165 mm cranks	96.5mm 170 mm cranks	96.5mm 170 mm cranks	96.5mm 172.5 mm cranks	96.5mm 172.5 mm cranks	96.5mm 175 mm cranks	96.5mm 175 mm cranks

	430	450	480	510	540	570	600
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1643mm	1647mm	1650mm	1654mm	1664mm	1677mm	1696mm
Crank Length	165mm	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	380mm	400mm	400mm	420mm	420mm	440mm	440mm
Stem Length	80mm	90mm	90mm	100mm	100mm	110mm	110mm
Stem Angle	6deg	6deg	6deg	6deg	6deg	6deg	6deg

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Endurance Road

Source:https://www.borant.com/product/shossejnyj-velosiped-borant-eclipse-5800

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2025 Borant Eclipse Base

Geometry

Base Build

Stack and Reach vs. Category Trend