De Rosa 70 geometry

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Height178 cm · 5 ft 10 in

Inseam auto85 cm · 33.5 in

Size 50.5

Render Align Overlay50%

Geometry

Size	42.5	44.5	46.5	48	50.5	52.5	54.5	56.5
Stack mm	507	513	524	537	548	561	574	591
Reach mm	371	376	380	385	393	399	406	409
Seat tube angle °	74.9	74.5	74.1	73.9	73.9	73.7	73.5	73.1
Head tube length mm	107	115	125	131	141	154	167	185
Chainstay mm	405	405	405	405	405	405	405	405
BB drop mm	70	70	70	70	70	70	70	70
Stack to reach	1.37	1.36	1.38	1.39	1.39	1.41	1.41	1.44
Effective top tube mmi	508	518	529	540	551	563	576	589

Size50.5key specs

Stack-to-reach (size 50.5)1.39

More aggressive (lower and longer) than 87% of road frames in the database at comparable sizes.

Closest geometry matches (size 50.5)

Matched by stack, reach and head tube angle.

Bottecchia 8Avio RevolutionCurrent54 · 548 / 393 De Rosa Merak2026505 · 548 / 393 Van Rysel NCR CF2023 onM · 548.3 / 392.6 SAVA EX7-Salloy, 2026490(M) · 547.7 / 393.6 Oggi Stimolla Discalloy, 2025 onM · 548.6 / 392.4 Samchuly R10undated510 · 548.8 / 392.5

More from De Rosa

Nearest size to the 70 50.5.

De Rosa IdolCurrent507 · 556.8 / 389.8 De Rosa 838carbon, disc, 2022 on54 · 565 / 396 De Rosa Merak2026505 · 548 / 393

Compare with another frame

De Rosa geometry chart · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error