2025 Marin Bikes Nicasio Plus (+)

	50	52	54	56	58	60
Stack	546mm	564mm	578mm	592mm	606mm	620mm
Reach	375mm	375mm	380mm	390mm	402mm	415mm
Stack to Reach Ratio	1.46:1	1.5:1	1.52:1	1.52:1	1.51:1	1.49:1
Seat Tube Length, C-T	460mm	480mm	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal Center	526mm	537mm	546mm	560mm	575mm	599mm
Top Tube Slope	11.7deg	11.4deg	10.7deg	9.8deg	9deg	8.2deg
Head Tube Angle	70.5deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	74.5deg	74deg	74deg	74deg	74deg	73.5deg
Head Tube Length	105mm	120mm	135mm	150mm	165mm	190mm
Bottom Bracket Drop	76mm	76mm	76mm	76mm	76mm	76mm
Bottom Bracket Height	263mm	263mm	263mm	263mm	263mm	263mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.2mm	423.2mm	423.2mm	423.2mm	423.2mm	423.2mm
Front-Center	598.6mm	595.6mm	605.6mm	620.4mm	636.3mm	654.2mm
Front-Center Horizontal	593.8mm	590.8mm	600.8mm	615.8mm	631.8mm	649.8mm
Wheelbase	1017mm	1014mm	1024mm	1039mm	1055mm	1073mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm
Trail	67mm high	60.7mm mid/neutral	60.7mm mid/neutral	60.7mm mid/neutral	60.7mm mid/neutral	60.7mm mid/neutral
Mechanical Trail	63.2mm	57.6mm	57.6mm	57.6mm	57.6mm	57.6mm
Wheel Flop	21.1mm	18.3mm	18.3mm	18.3mm	18.3mm	18.3mm
Standover Height	718mm	738mm	757mm	775mm	793mm	811mm
Tire to Pedal Spindle	89.6mm 170 mm cranks	86.6mm 170 mm cranks	91.6mm 175 mm cranks	106.4mm 175 mm cranks	122.3mm 175 mm cranks	140.2mm 175 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	93mm 170 mm cranks	88mm 175 mm cranks	88mm 175 mm cranks	88mm 175 mm cranks	88mm 175 mm cranks

	50	52	54	56	58	60
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	47mm	47mm	47mm	47mm	47mm	47mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1695mm	1692mm	1702mm	1717mm	1733mm	1751mm
Crank Length	170mm	170mm	175mm	175mm	175mm	175mm
Handlebar Width	400mm	400mm	400mm	420mm	420mm	440mm
Stem Length	75mm	75mm	90mm	90mm	90mm	90mm

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.

Category Trend

Source:https://www.marinbikes.com/bikes/2025-nicasio-plus#geometry

Geometry