2025 FARA Cycling GR4 Base

	49cm	53cm	56cm	59cm
Stack	550mm	570mm	590mm	610mm
Reach	385mm	395mm	405mm	416mm
Stack to Reach Ratio	1.43:1	1.44:1	1.46:1	1.47:1
Seat Tube Length, C-T	445mm	480mm	520mm	550mm
Top Tube Length, Actual C-C	532mm	558mm	574mm	591mm
Top Tube Slope	13.5deg	11.6deg	9.3deg	8.2deg
Head Tube Angle	71deg	71.2deg	71.2deg	71.2deg
Seat Tube Angle	75deg	74deg	74deg	74deg
Head Tube Length	115mm	135mm	157mm	177mm
Bottom Bracket Drop	80mm	80mm	80mm	80mm
Bottom Bracket Height	285mm	285mm	285mm	285mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	417.4mm	417.4mm	417.4mm	417.4mm
Front-Center	610mm	625mm	644mm	659mm
Front-Center Horizontal	604.6mm	619.6mm	636.6mm	654.6mm
Wheelbase	1022mm	1037mm	1054mm	1072mm
Fork Offset/Rake	55mm	55mm	55mm	55mm
Fork Length (On-Axis)	405mm	405mm	405mm	405mm
Trail	67.5mm high	66.2mm high	66.2mm high	66.2mm high
Mechanical Trail	63.8mm	62.6mm	62.6mm	62.6mm
Wheel Flop	20.8mm	20.2mm	20.2mm	20.2mm
Standover Height	731mm	762mm	798mm	824mm
Tire to Pedal Spindle	75mm 170 mm cranks	90mm 170 mm cranks	109mm 170 mm cranks	124mm 170 mm cranks
Pedal Spindle to Ground Clearance	115mm 170 mm cranks	115mm 170 mm cranks	115mm 170 mm cranks	115mm 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://faracycling.com/fara-product-view.php?pid=4513

Geometry