2021 De Rosa Idol Base
Geometry
43 | 43 | 46 | 46 | 48 | 48 | 51 | 51 | 53 | 53 | 56 | 56 | |
Stack | 508.3mm | 508.3mm | 516.1mm | 516.1mm | 537.1mm | 537.1mm | 556.8mm | 556.8mm | 577.1mm | 577.1mm | 596.9mm | 596.9mm |
Reach | 370mm | 370mm | 378.3mm | 378.3mm | 384.2mm | 384.2mm | 389.8mm | 389.8mm | 395.6mm | 395.6mm | 402.4mm | 402.4mm |
Stack to Reach Ratio | 1.37:1 | 1.37:1 | 1.36:1 | 1.36:1 | 1.4:1 | 1.4:1 | 1.43:1 | 1.43:1 | 1.46:1 | 1.46:1 | 1.48:1 | 1.48:1 |
Seat Tube Length, C-C | 430mm | 430mm | 460mm | 460mm | 480mm | 480mm | 510mm | 510mm | 530mm | 530mm | 530mm | 530mm |
Top Tube Length, Effective/Horizontal Center | 51.7mm | 517mm | 52.9mm | 529mm | 54.3mm | 543mm | 56mm | 560mm | 57.2mm | 572mm | 58.8mm | 588mm |
Seat Tube Angle | 713deg | 71.3deg | 716deg | 71.6deg | 726deg | 72.6deg | 73deg | 73deg | 731deg | 73.1deg | 733deg | 73.3deg |
Head Tube Length | 11.1mm | 111mm | 11.9mm | 119mm | 13.5mm | 135mm | 15.4mm | 154mm | 17.5mm | 175mm | 19.5mm | 195mm |
Bottom Bracket Height | — | — | — | — | — | — | — | — | — | — | — | — |
Chainstay Length | 41.2mm | 412mm | 41.2mm | 412mm | 41.2mm | 412mm | 41.2mm | 412mm | 41.2mm | 412mm | 41.2mm | 412mm |
Front-Center | 57.3mm | 573mm | 58.1mm | 581mm | 58mm | 580mm | 58.7mm | 587mm | 59.8mm | 598mm | 60.9mm | 609mm |
Trail | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — | — | — | — | — | — | — |
Tire to Pedal Spindle | -448.7mm 170 mm cranks | 67mm 170 mm cranks | -447.9mm 170 mm cranks | 75mm 170 mm cranks | -448mm 170 mm cranks | 74mm 170 mm cranks | -447.3mm 170 mm cranks | 81mm 170 mm cranks | -446.2mm 170 mm cranks | 92mm 170 mm cranks | -445.1mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
43 | 43 | 46 | 46 | 48 | 48 | 51 | 51 | 53 | 53 | 56 | 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 | 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 | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 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 ScaleCategory Trend
Performance RoadSource:https://www.derosa.dk/de-rosa-specifikationer/de-rosa-carboncykler/idol-disc, https://derosanorthamerica.com/collections/idol-disc