2025 Nishiki Rush Base

	Small	Medium	Large	XL	XL
Stack	571.3mm	592.2mm	621.8mm	655.3mm	655.3mm
Reach	398.6mm	395.8mm	402.6mm	413.3mm	413.3mm
Stack to Reach Ratio	1.43:1	1.5:1	1.54:1	1.59:1	1.59:1
Seat Tube Length, C-T	450mm	508mm	559mm	610mm	610mm
Top Tube Length, Effective/Horizontal HT Top	557mm	560mm	575mm	595mm	595mm
Top Tube Slope	14.9deg	10.9deg	8.6deg	6.7deg	6.7deg
Head Tube Angle	71deg	71.5deg	73deg	73deg	73deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	135mm	155mm	180mm	215mm	215mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	286mm	286mm	286mm	286mm	286mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	430.1mm	430.1mm	430.1mm	430.1mm	430.1mm
Front-Center	623.9mm	623mm	623.2mm	644.1mm	644.1mm
Front-Center Horizontal	620.5mm	619.6mm	619.8mm	640.8mm	640.8mm
Wheelbase	1050.6mm	1049.7mm	1050mm	1070.9mm	1070.9mm
Fork Offset/Rake	45mm	46mm	45mm	45mm	45mm
Trail	73.3mm high	68.9mm high	60.3mm mid/neutral	60.3mm mid/neutral	60.3mm mid/neutral
Mechanical Trail	69.3mm	65.4mm	57.6mm	57.6mm	57.6mm
Wheel Flop	22.6mm	20.7mm	16.9mm	16.9mm	16.9mm
Tire to Pedal Spindle	102.9mm 170 mm cranks	102mm 170 mm cranks	102.2mm 170 mm cranks	123.1mm 170 mm cranks	123.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks

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://nishiki.se/gravel/alla/rush-pg-2502

Geometry