2020 Bulls Grinder 1

	49cm	52cm	55cm	58cm	61cm
Stack	562mm	589mm	614mm	638mm	664mm
Reach	370mm	375mm	381mm	389mm	395mm
Stack to Reach Ratio	1.52:1	1.57:1	1.61:1	1.64:1	1.68:1
Seat Tube Length, C-T	490mm	520mm	550mm	580mm	610mm
Top Tube Length, Effective/Horizontal HT Top	536mm	552mm	569mm	587mm	604mm
Top Tube Slope	10.3deg	9.8deg	9.2deg	8.5deg	8.1deg
Head Tube Angle	70deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73.5deg	73.25deg	73deg	72.75deg	72.5deg
Head Tube Length	135mm	160mm	189mm	213mm	240mm
Bottom Bracket Drop	75mm	75mm	70mm	70mm	70mm
Bottom Bracket Height	276mm	276mm	281mm	281mm	281mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.4mm	423.4mm	424.3mm	424.3mm	424.3mm
Front-Center	601.3mm	606.3mm	616.7mm	626.7mm	640.6mm
Front-Center Horizontal	596.6mm	601.6mm	612.7mm	622.7mm	636.7mm
Wheelbase	1020mm	1025mm	1037mm	1047mm	1061mm
Fork Offset/Rake	46.4mm	46.9mm	47.2mm	46.8mm	46.4mm
Trail	78.4mm high	71.3mm high	67.7mm high	64.9mm mid/neutral	65.3mm high
Mechanical Trail	73.7mm	67.4mm	64.2mm	61.7mm	62.1mm
Wheel Flop	25.2mm	21.9mm	20.4mm	19.1mm	19.2mm
Tire to Pedal Spindle	80.3mm 170 mm cranks	85.3mm 170 mm cranks	95.7mm 170 mm cranks	105.7mm 170 mm cranks	119.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 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://www.bulls.de/dam/jcr:95694425-c2b5-4c49-99a8-ffca6b44b7cb/Bulls_2020_Bike.pdf

Geometry