2023 Orro Bikes Terra S GRX400

	XS	S	M	L	XL
Stack	544mm	563mm	587mm	612mm	644mm
Reach	368mm	377mm	387mm	397mm	407mm
Stack to Reach Ratio	1.48:1	1.49:1	1.52:1	1.54:1	1.58:1
Seat Tube Length, C-T	460mm	480mm	510mm	545mm	580mm
Top Tube Length, Effective/Horizontal HT Top	509mm	529mm	553mm	581mm	604mm
Top Tube Slope	11.5deg	11.2deg	10.4deg	9.2deg	8.9deg
Head Tube Angle	71deg	71deg	71deg	71deg	71deg
Seat Tube Angle	75.6deg	74.9deg	74.2deg	73.3deg	72.6deg
Head Tube Length	120mm	140mm	165mm	192mm	225mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	72mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm
Chainstay Length	420mm	420mm	420mm	422.5mm	425mm
Chainstay Length Horizontal	413.8mm	413.8mm	413.8mm	416.3mm	418.9mm
Front-Center	587.6mm	603.5mm	621.4mm	639.7mm	661.1mm
Front-Center Horizontal	583.2mm	599.2mm	617.2mm	635.7mm	657.1mm
Wheelbase	997mm	1013mm	1031mm	1052mm	1076mm
Fork Offset/Rake	49.8mm	50.3mm	50mm	49.9mm	50.3mm
Trail	68.2mm high	67.7mm high	68mm high	68.1mm high	67.7mm high
Mechanical Trail	64.5mm	64mm	64.3mm	64.4mm	64mm
Wheel Flop	21mm	20.8mm	20.9mm	21mm	20.8mm
Tire to Pedal Spindle	66.6mm 170 mm cranks	82.5mm 170 mm cranks	100.4mm 170 mm cranks	118.7mm 170 mm cranks	140.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 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.orrobikes.com/product/terra-s-grx400#size-chart-anchor

Geometry