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Orbea Orca Sizing

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Orbea Orca Sizing

Old 06-22-17, 03:40 PM
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island rider
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Orbea Orca Sizing

A friend is considering an Orbea Orca. He is 5'10 with a 31 inseam and is being guided toward a size 51. Is Orbea wildly different in their sizing than everyone else out there? It seems he should be about a 55-56.

Thoughts?
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Old 06-22-17, 03:44 PM
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Aggressively slammed? Even so, that seems undersized. I have a 32 inseam and I ride a 56. I could do a 54 if I wanted to get really aggressive like a pro.
I would look like a bear on a unicycle if I tried a 51. Unless Orbea is weird.
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Old 06-22-17, 04:00 PM
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This is why I ask. I was shocked when he said a 51. I've bought more brands than I care to count, and he and I are the same height and inseam. Everything I have ever bought has been 55-57.
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Old 06-22-17, 04:19 PM
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Assuming all models of the Orca have the same geometry, the 51cm has a 53.5cm effective top tube: https://www.orbea.com/us-en/bicycles/orca-m20i

This 5'7" rider would go for a 55cm model, personally.
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Old 06-22-17, 07:27 PM
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No way he should ride a 51. I'm 5'9 and ride a 53, which is pretty close to most other companies' 54s. My cycling inseam is ~31-32.

EDIT: I own a 2015 model btw
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Old 06-23-17, 06:17 AM
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I'm 5'7 and ride a 51. Previous frame 52. If I was 5'10 and had the same proportions, I think I'd go for a 54-56.

Considering how much the Orbea Orca is, doesn't the shop offer a free rudimentary fitting?
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Old 06-23-17, 08:14 AM
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Unless the shop meant a size 55 with a 51 cm seat tube... That would be a dumb way to recommend a size, but it is possible.
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