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Isaac Cycle
/
Torus

2025 Isaac Cycle Torus Base

Category
All-road/Gravel
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
XS
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S
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M
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L
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XL
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XXL
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Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

XS
S
M
L
XL
XXL
Stack
535mm
554mm
567mm
582mm
600mm
624mm
Reach
356mm
366mm
372mm
378mm
386mm
400mm
Stack to Reach Ratio
1.5:1
1.51:1
1.52:1
1.54:1
1.55:1
1.56:1
Seat Tube Length, C-T
480mm
500mm
520mm
540mm
560mm
580mm
Top Tube Length, Effective/Horizontal Unknown
499.4mm
519.7mm
534.4mm
550.5mm
563.7mm
590.8mm
Top Tube Slope
8.5deg
8.2deg
7.4deg
6.9deg
6.6deg
6.9deg
Head Tube Angle
70deg
70deg
70.5deg
71deg
71deg
71deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73.5deg
73deg
Head Tube Length
114.9mm
135.1mm
146.8mm
158.9mm
177.9mm
203.3mm
Bottom Bracket Drop
72mm
72mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
284mm
284mm
284mm
284mm
284mm
284mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
423.9mm
423.9mm
423.9mm
423.9mm
423.9mm
423.9mm
Front-Center
582.2mm
599mm
604.7mm
605.5mm
619.6mm
641.7mm
Front-Center Horizontal
577.8mm
594.7mm
600.4mm
601.2mm
615.4mm
637.7mm
Wheelbase
1001.7mm
1018.6mm
1024.3mm
1025.1mm
1039.3mm
1061.6mm
Fork Offset/Rake
50mm
50mm
50mm
45mm
45mm
45mm
Trail
76.4mm
high
76.4mm
high
73mm
high
75mm
high
75mm
high
75mm
high
Mechanical Trail
71.8mm
71.8mm
68.8mm
70.9mm
70.9mm
70.9mm
Wheel Flop
24.5mm
24.5mm
23mm
23.1mm
23.1mm
23.1mm
Tire to Pedal Spindle
56.2mm
170 mm cranks
73mm
170 mm cranks
78.7mm
170 mm cranks
79.5mm
170 mm cranks
93.6mm
170 mm cranks
115.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks

Base Build

XS
S
M
L
XL
XXL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
45mm
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
712mm
712mm
712mm
712mm
712mm
712mm
Bike Length with Tires
1713.7mm
1730.6mm
1736.3mm
1737.1mm
1751.3mm
1773.6mm

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:https://www.isaac-cycle.com/en_US/p/bike-torus-moss-green-xs--rx610--2x12--g1800/74333/
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