2006 GT Bicycles i-Drive 5.4 Base

	S	M	L
Stack	578.4mm	588mm	606.9mm
Reach	385.9mm	409.6mm	419.8mm
Stack to Reach Ratio	1.5:1	1.44:1	1.45:1
Seat Tube Length, C-C	380mm	404.4mm	419mm
Top Tube Length, Effective/Horizontal HT Top	535.7mm	559.6mm	573.9mm
Top Tube Slope	18.2deg	15.9deg	15.9deg
Head Tube Angle	69.5deg	69.5deg	69.5deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	100mm	110mm	130mm
Bottom Bracket Drop	5.7mm	5.9mm	6.1mm
Bottom Bracket Height	334.7mm	334.5mm	334.4mm
Chainstay Length	432.3mm	430.8mm	429.8mm
Chainstay Length Horizontal	432.3mm	430.7mm	429.8mm
Front-Center	641.7mm	668.9mm	686.1mm
Front-Center Horizontal	641.7mm	668.8mm	686mm
Wheelbase	1073.9mm	1099.6mm	1115.8mm
Fork Offset/Rake	39mm	39mm	39mm
Fork Length (Axle-To-Crown)	507.5mm	507.5mm	507.5mm
Trail	85.7mm very high	85.7mm very high	85.7mm very high
Mechanical Trail	80.2mm	80.2mm	80.2mm
Wheel Flop	28.1mm	28.1mm	28.1mm
Standover Height	760.8mm	781mm	796.4mm
Tire to Pedal Spindle	131.2mm 170 mm cranks	158.4mm 170 mm cranks	175.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	164.7mm 170 mm cranks	164.5mm 170 mm cranks	164.4mm 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.mtbr.com/threads/i-drive-5-2006-geometry.383021/

Geometry