2027 De Rosa Merak Dynamic
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category |
Geometry
42.5 | 44.5 | 46.5 | 48 | 50.5 | 52.5 | 54.5 | 56.5 | |
Stack | 507mm | 513mm | 524mm | 537mm | 548mm | 561mm | 574mm | 591mm |
Reach | 371mm | 376mm | 380mm | 385mm | 393mm | 399mm | 406mm | 409mm |
Stack to Reach Ratio | 1.37:1 | 1.36:1 | 1.38:1 | 1.39:1 | 1.39:1 | 1.41:1 | 1.41:1 | 1.44:1 |
Seat Tube Length, C-T | 425mm | 445mm | 465mm | 480mm | 505mm | 525mm | 545mm | 565mm |
Top Tube Length, Effective/Horizontal HT Top | 508mm | 518mm | 529mm | 540mm | 551mm | 563mm | 576mm | 589mm |
Top Tube Slope | 11.4deg | 9.7deg | 8.6deg | 8.3deg | 6.7deg | 6deg | 5.2deg | 5deg |
Head Tube Angle | 70.7deg | 71.4deg | 72deg | 72.6deg | 73deg | 73.1deg | 73.3deg | 73.4deg |
Seat Tube Angle | 74.9deg | 74.5deg | 74.1deg | 73.9deg | 73.9deg | 73.7deg | 73.5deg | 73.1deg |
Head Tube Length | 107mm | 110.6mm | 120mm | 131.6mm | 141.5mm | 154.7mm | 167.6mm | 185mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 269mm | 269mm | 269mm | 269mm | 269mm | 269mm | 269mm | 269mm |
Chainstay Length | 405mm | 405mm | 405mm | 405mm | 405mm | 405mm | 405mm | 405mm |
Chainstay Length Horizontal | 398.9mm | 398.9mm | 398.9mm | 398.9mm | 398.9mm | 398.9mm | 398.9mm | 398.9mm |
Front-Center | 576mm | 577mm | 579mm | 583mm | 590mm | 599mm | 608mm | 615mm |
Front-Center Horizontal | 571.7mm | 572.7mm | 574.8mm | 578.8mm | 585.8mm | 594.9mm | 604mm | 611mm |
Wheelbase | 970.6mm | 971.6mm | 973.7mm | 977.7mm | 984.7mm | 993.8mm | 1002.9mm | 1009.9mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (Axle-To-Crown) | 371mm | 371mm | 371mm | 371mm | 371mm | 371mm | 371mm | 371mm |
Trail | 71mm high | 66.6mm high | 62.8mm mid/​neutral | 59.1mm mid/​neutral | 56.6mm mid/​neutral | 56mm mid/​neutral | 54.7mm mid/​neutral | 54.1mm mid/​neutral |
Mechanical Trail | 67mm | 63.1mm | 59.8mm | 56.4mm | 54.1mm | 53.6mm | 52.4mm | 51.9mm |
Wheel Flop | 22.2mm | 20.1mm | 18.5mm | 16.9mm | 15.8mm | 15.6mm | 15.1mm | 14.8mm |
Tire to Pedal Spindle | 67mm 170 mm cranks | 68mm 170 mm cranks | 70mm 170 mm cranks | 74mm 170 mm cranks | 81mm 170 mm cranks | 90mm 170 mm cranks | 99mm 170 mm cranks | 106mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks |
Dynamic Build
42.5 | 44.5 | 46.5 | 48 | 50.5 | 52.5 | 54.5 | 56.5 | |
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 |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Width Max | 34mm | 34mm | 34mm | 34mm | 34mm | 34mm | 34mm | 34mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1648.6mm | 1649.6mm | 1651.7mm | 1655.7mm | 1662.7mm | 1671.8mm | 1680.9mm | 1687.9mm |
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:derosa.it