2022 Guerrilla Gravity Megatrail Base

	Size 2	Size 3	Size 4
Stack	610mm	628mm	646mm
Reach	445mm	470mm	500mm
Stack to Reach Ratio	1.37:1	1.34:1	1.29:1
Seat Tube Length, C-T	400mm	430mm	480mm
Top Tube Length, Effective/Horizontal Center	590mm	615mm	645mm
Top Tube Slope	22deg	20deg	16.3deg
Head Tube Angle	64.5deg	64.5deg	64.5deg
Seat Tube Angle	73deg	73deg	73deg
Effective Seat Tube Angle, Unknown	77deg	76.9deg	76.8deg
Head Tube Length	100mm	120mm	140mm
Bottom Bracket Drop	14mm	14mm	14mm
Bottom Bracket Height	339mm	339mm	339mm
Chainstay Length	433mm	433mm	433mm
Chainstay Length Horizontal	432.8mm	432.8mm	432.8mm
Front-Center	772.4mm	805.4mm	843.3mm
Front-Center Horizontal	772.2mm	805.2mm	843.2mm
Wheelbase	1205mm	1238mm	1276mm
Fork Offset/Rake	38.8mm	38.2mm	37.7mm
Trail	125.4mm very high	126mm very high	126.6mm very high
Mechanical Trail	113.2mm	113.7mm	114.3mm
Wheel Flop	48.7mm	49mm	49.2mm
Standover Height	728mm	731mm	734mm
Tire to Pedal Spindle	249.4mm 170 mm cranks	282.4mm 170 mm cranks	320.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	169mm 170 mm cranks	169mm 170 mm cranks	169mm 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://ridegg.com/collections/megatrail/products/megatrail-frameset

Geometry