Name: 2026 sturdy SC-R Base
Brand: sturdy

	Small	Medium	Large	XL
Stack	550mm	565mm	585mm	605mm
Reach	367mm	380mm	395mm	405mm
Stack to Reach Ratio	1.5:1	1.49:1	1.48:1	1.49:1
Seat Tube Length, C-T	480mm	520mm	540mm	555mm
Top Tube Slope	10deg	7.1deg	6.9deg	7.3deg
Head Tube Angle	71.5deg	72.3deg	72.3deg	72.8deg
Seat Tube Angle	74.3deg	74deg	74deg	74deg
Head Tube Length	143mm	156mm	177mm	196mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm
Bottom Bracket Height	268mm	268mm	268mm	268mm
Chainstay Length	418mm	418mm	418mm	418mm
Chainstay Length Horizontal	410.7mm	410.7mm	410.7mm	410.7mm
Front-Center	580.6mm	590.5mm	612.3mm	623.2mm
Front-Center Horizontal	575.3mm	585.3mm	607.3mm	618.3mm
Wheelbase	986mm	996mm	1018mm	1029mm
Fork Offset/Rake	47.8mm	47.6mm	48.2mm	48mm
Fork Length, Unknown	370mm	370mm	370mm	370mm
Trail	65.4mm high	60.5mm mid/neutral	59.9mm mid/neutral	56.9mm mid/neutral
Mechanical Trail	62mm	57.6mm	57.1mm	54.4mm
Wheel Flop	19.7mm	17.5mm	17.4mm	16.1mm
Tire to Pedal Spindle	64.6mm 170 mm cranks	74.5mm 170 mm cranks	96.3mm 170 mm cranks	107.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	98mm 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:sturdycycles.co.uk/collections/full-custom-bicycles/products/sc-r

2026 sturdy SC-R Base

Geometry