2014 De Rosa R838 Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
Geometry
48cm | 50cm | 53cm | 43cm | 45cm | |
Stack | 545mm | 565mm | 585mm | 505mm | 525mm |
Reach | 389mm | 396mm | 403mm | 375mm | 382mm |
Stack to Reach Ratio | 1.4:1 | 1.43:1 | 1.45:1 | 1.35:1 | 1.37:1 |
Seat Tube Length, C-T | 480mm | 500mm | 530mm | 430mm | 450mm |
Top Tube Length, Effective/Horizontal Center | 549mm | 566mm | 583mm | 515mm | 532mm |
Top Tube Slope | 9.1deg | 9.1deg | 8deg | 10.5deg | 10.3deg |
Head Tube Angle | 72.2deg | 72.4deg | 72.6deg | — | — |
Seat Tube Angle | 73.7deg | 73.3deg | 72.9deg | 74.5deg | 74.1deg |
Head Tube Length | 145mm | 165mm | 183mm | 102mm | 126mm |
Bottom Bracket Drop | 71mm | 71mm | 71mm | 71mm | 71mm |
Bottom Bracket Height | 268mm | 268mm | 268mm | 268mm | 268mm |
Chainstay Length | 406mm | 406mm | 406mm | 406mm | 406mm |
Chainstay Length Horizontal | 399.7mm | 399.7mm | 399.7mm | 399.7mm | 399.7mm |
Front-Center | 590mm | 600mm | 605mm | 567mm | 577mm |
Front-Center Horizontal | 585.7mm | 595.8mm | 600.8mm | 562.5mm | 572.6mm |
Wheelbase | 985.5mm | 995.5mm | 1000.6mm | 962.3mm | 972.4mm |
Fork Offset/Rake | 42.4mm | 41.1mm | 35.1mm | — | — |
Trail | 64.3mm mid/neutral | 64.5mm mid/neutral | 69.5mm high | — — | — — |
Mechanical Trail | 61.2mm | 61.4mm | 66.3mm | — | — |
Wheel Flop | 18.7mm | 18.6mm | 19.8mm | — | — |
Tire to Pedal Spindle | 81mm 170 mm cranks | 91mm 170 mm cranks | 96mm 170 mm cranks | 58mm 170 mm cranks | 68mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
48cm | 50cm | 53cm | 43cm | 45cm | |
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 | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1663.5mm | 1673.5mm | 1678.6mm | 1640.3mm | 1650.4mm |
Published Sizing Recommendations
Height | 13 ft 9 in to | 14 ft 5 in to | 15 ft 1 in to | 12 ft 8 in to | 13 ft 1 in to |
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://geometrygeeks.bike/bike/de-rosa-r838-2014/