2025 Alpinebike Spirit Aluminium, carbon fork

	S	M	L
Stack	562mm	586mm	609mm
Reach	379mm	397mm	415mm
Stack to Reach Ratio	1.48:1	1.48:1	1.47:1
Seat Tube Length, Unknown	460mm	500mm	540mm
Top Tube Length, Effective/Horizontal Center	540mm	565mm	590mm
Top Tube Slope	13.3deg	11.2deg	9.1deg
Head Tube Angle	70deg	70deg	70deg
Seat Tube Angle	74deg	74deg	74deg
Bottom Bracket Drop	-75mm	-75mm	-75mm
Bottom Bracket Height	431mm	431mm	431mm
Chainstay Length	430mm	430mm	430mm
Chainstay Length Horizontal	423.4mm	423.4mm	423.4mm
Front-Center	613.2mm	640mm	665.8mm
Front-Center Horizontal	608.6mm	635.6mm	661.6mm
Wheelbase	1032mm	1059mm	1085mm
Fork Offset/Rake	-2.1mm	-1.9mm	-2.2mm
Trail	131.8mm very high	131.6mm very high	131.9mm very high
Mechanical Trail	123.9mm	123.6mm	124mm
Wheel Flop	42.4mm	42.3mm	42.4mm
Tire to Pedal Spindle	87.2mm 170 mm cranks	114mm 170 mm cranks	139.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	261mm 170 mm cranks	261mm 170 mm cranks	261mm 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://alpinebike.ru/product/alpinebike-spirit-20/

Geometry