Name: 2025 Isaac Cycle Meson Base
Brand: Isaac Cycle

	XS	S	M	L	XL
Stack	498.5mm	522.9mm	544.2mm	564.7mm	582.7mm
Reach	373.3mm	379.4mm	384.4mm	392.3mm	399mm
Stack to Reach Ratio	1.34:1	1.38:1	1.42:1	1.44:1	1.46:1
Seat Tube Length, C-T	444.7mm	474.8mm	505.4mm	531.9mm	564.1mm
Top Tube Length, Effective/Horizontal Unknown	511.6mm	529.3mm	545.6mm	565mm	571.6mm
Top Tube Slope	8.1deg	7.4deg	6.4deg	5.8deg	4.3deg
Head Tube Angle	71.5deg	74deg	73.3deg	73.2deg	73.35deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	73.5deg
Head Tube Length	91mm	114mm	133.4mm	155mm	176mm
Bottom Bracket Drop	74mm	74mm	71.5mm	71.5mm	69mm
Bottom Bracket Height	267mm	267mm	269.5mm	269.5mm	272mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.3mm	403.3mm	403.7mm	403.7mm	404.2mm
Front-Center	571.8mm	579.3mm	575.5mm	590mm	601.4mm
Front-Center Horizontal	567mm	574.5mm	571.1mm	585.7mm	597.5mm
Wheelbase	970.3mm	977.8mm	974.8mm	989.4mm	1001.6mm
Fork Offset/Rake	49mm	49mm	43mm	43mm	43mm
Trail	62.4mm mid/neutral	46.8mm mid/neutral	57.4mm mid/neutral	58mm mid/neutral	57.1mm mid/neutral
Mechanical Trail	59.2mm	45mm	55mm	55.6mm	54.7mm
Wheel Flop	18.8mm	12.4mm	15.8mm	16.1mm	15.7mm
Tire to Pedal Spindle	60.8mm 170 mm cranks	68.3mm 170 mm cranks	64.5mm 170 mm cranks	79mm 170 mm cranks	90.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm 170 mm cranks	99.5mm 170 mm cranks	99.5mm 170 mm cranks	102mm 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.isaac-cycle.com/en_US/p/bike-meson-jade-green-xs--r7150-di2--50-34--five-rd/74277/

2025 Isaac Cycle Meson Base

Geometry