2021 Isaac Cycle Torus Xplore Base

	size S	size M	size L	size XL	size XXL
Stack	537mm	561mm	584mm	602mm	621mm
Reach	356mm	365mm	373mm	385mm	401mm
Stack to Reach Ratio	1.51:1	1.54:1	1.57:1	1.56:1	1.55:1
Top Tube Length, Effective/Horizontal Center	505mm	526mm	546mm	570mm	591mm
Head Tube Angle	70deg	70deg	71deg	71deg	71deg
Seat Tube Angle, Unknown	74.3deg	74deg	73.5deg	73deg	73deg
Head Tube Length	110.5mm	135.5mm	155.5mm	175.5mm	195.5mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	285mm	285mm	285mm	285mm	285mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	434.7mm	434.7mm	434.7mm	434.7mm	434.7mm
Front-Center	583.3mm	601.1mm	607.1mm	627mm	647.9mm
Front-Center Horizontal	579.3mm	597.3mm	603.3mm	623.3mm	644.3mm
Wheelbase	1014mm	1032mm	1038mm	1058mm	1079mm
Fork Offset/Rake	50mm	50mm	45mm	45mm	45mm
Trail	75.3mm high	75.3mm high	74mm high	74mm high	74mm high
Mechanical Trail	70.7mm	70.7mm	69.9mm	69.9mm	69.9mm
Wheel Flop	24.2mm	24.2mm	22.8mm	22.8mm	22.8mm
Tire to Pedal Spindle	60.3mm 170 mm cranks	78.1mm 170 mm cranks	84.1mm 170 mm cranks	104mm 170 mm cranks	124.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	115mm 170 mm cranks	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://www.isaac-cycle.com/en_US/p/bike-torus-emerald-green--grx-rx600-1x11/58068/

Geometry