2018 Ron's Bikes Swamp Thing Fat Bike Tires

	Small	Medium	Large
Stack	533.4mm	624.8mm	662.9mm
Reach	396.2mm	429.3mm	480.1mm
Stack to Reach Ratio	1.35:1	1.46:1	1.38:1
Seat Tube Length, C-T	419.1mm	508mm	551.2mm
Top Tube Length, Effective/Horizontal Center	541mm	604.5mm	665.5mm
Top Tube Slope	14.3deg	13.5deg	11.8deg
Head Tube Angle	65deg	65deg	65deg
Seat Tube Angle	75deg	75deg	75deg
Head Tube Length	109.2mm	198.1mm	238.8mm
Bottom Bracket Drop	66mm	68.6mm	68.6mm
Bottom Bracket Height	313.5mm	310.9mm	310.9mm
Chainstay Length	442mm	449.6mm	449.6mm
Chainstay Length Horizontal	437mm	444.3mm	444.3mm
Front-Center	673.7mm	752.6mm	820.9mm
Front-Center Horizontal	670.4mm	749.5mm	818.1mm
Wheelbase	1107.4mm	1193.8mm	1262.4mm
Fork Offset/Rake	50.8mm	55.9mm	55.9mm
Trail	120.9mm very high	115.3mm very high	115.3mm very high
Mechanical Trail	109.6mm	104.5mm	104.5mm
Wheel Flop	46.3mm	44.2mm	44.2mm
Standover Height	749.3mm	777.2mm	835.7mm
Tire to Pedal Spindle	124.2mm 170 mm cranks	203.1mm 170 mm cranks	271.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	143.5mm 170 mm cranks	140.9mm 170 mm cranks	140.9mm 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.instagram.com/p/Bt1Rb1EFmjL/

Geometry