2026 J.Guillem Bicycles Arta Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Titanium
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

52
54
56
58
60
Stack
564mm
583mm
600mm
619mm
636mm
Reach
369mm
367mm
378mm
385mm
387mm
Stack to Reach Ratio
1.53:1
1.59:1
1.59:1
1.61:1
1.64:1
Seat Tube Length, C-T
445mm
465mm
485mm
505mm
525mm
Seat Tube Length, C-TTT
490mm
510mm
530mm
550mm
570mm
Top Tube Length, Effective/Horizontal Center
531mm
540mm
558mm
574mm
587mm
Top Tube Slope
15.5deg
15.4deg
14.7deg
14.3deg
14deg
Head Tube Angle
72deg
72deg
72.5deg
72.5deg
73deg
Seat Tube Angle
74deg
73.5deg
73.25deg
73deg
72.5deg
Head Tube Length
135mm
155mm
170mm
190mm
210mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
Chainstay Length
443mm
443mm
443mm
443mm
443mm
Chainstay Length Horizontal
436.6mm
436.6mm
436.6mm
436.6mm
436.6mm
Front-Center
586mm
590mm
600mm
613mm
626mm
Front-Center Horizontal
570.4mm
574.4mm
585.4mm
598.4mm
611.4mm
Wheelbase
1007mm
1011mm
1022mm
1035mm
1048mm
Fork Offset/Rake
40.4mm
40.3mm
39.9mm
39.9mm
50.6mm
Trail
73.2mm
high
73.3mm
high
70.4mm
high
70.4mm
high
56mm
mid/​neutral
Mechanical Trail
69.6mm
69.8mm
67.1mm
67.1mm
53.5mm
Wheel Flop
21.5mm
21.6mm
20.2mm
20.2mm
15.7mm
Standover Height
763mm
779mm
797mm
813mm
830mm
Tire to Pedal Spindle
60mm
170 mm cranks
64mm
170 mm cranks
74mm
170 mm cranks
87mm
170 mm cranks
100mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Base Build

52
54
56
58
60
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
Tire Width
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
712mm
712mm
712mm
712mm
712mm
Bike Length with Tires
1719mm
1723mm
1734mm
1747mm
1760mm

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.jguillem.com/en/bikes/arta