2021 De Rosa Idol Base

Geometry

43
46
48
51
53
56
Stack
508.3mm
516.1mm
537.1mm
556.8mm
577.1mm
596.9mm
Reach
370mm
378.3mm
384.2mm
389.8mm
395.6mm
402.4mm
Stack to Reach Ratio
1.37:1
1.36:1
1.4:1
1.43:1
1.46:1
1.48:1
Seat Tube Length, C-C
430mm
460mm
480mm
510mm
530mm
530mm
Top Tube Length, Effective/Horizontal Center
51.7mm
52.9mm
54.3mm
56mm
57.2mm
58.8mm
Seat Tube Angle
713deg
716deg
726deg
73deg
731deg
733deg
Head Tube Length
11.1mm
11.9mm
13.5mm
15.4mm
17.5mm
19.5mm
Bottom Bracket Height
Chainstay Length
41.2mm
41.2mm
41.2mm
41.2mm
41.2mm
41.2mm
Front-Center
57.3mm
58.1mm
58mm
58.7mm
59.8mm
60.9mm
Trail
Mechanical Trail
Wheel Flop
Tire to Pedal Spindle
-448.7mm
170 mm cranks
-447.9mm
170 mm cranks
-448mm
170 mm cranks
-447.3mm
170 mm cranks
-446.2mm
170 mm cranks
-445.1mm
170 mm cranks

Base Build

43
46
48
51
53
56
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
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm

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
Performance Road
Source:https://www.derosa.dk/de-rosa-specifikationer/de-rosa-carboncykler/idol-disc