De Rosa Merak (2026) geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size 505

Render Align 50%

Geometry

Size425445465480505525545565
Stack mm507513524537548561574591
Reach mm371376380385393399406409
Head tube angle °70.771.472.072.673.073.173.373.4
Seat tube angle °74.974.574.173.973.973.773.573.1
Head tube length mm107110.6120131.6141.5154.7167.6185
Chainstay mm405405405405405405405405
Fork rake mm4545454545454545
Stack to reach1.371.361.381.391.391.411.411.44
Effective top tube mmi508518529540551563576589
Size505key specs
Stack-to-reach (size 505)1.39
More aggressive (lower and longer) than 87% of road frames in the database at comparable sizes.

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Matched by stack, reach and head tube angle.

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De Rosa geometry chart · Some Merak numbers are derived, not from the chart · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error