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Dear community, I am 177 cm tall and was trying the 56 size frame today. I was not totally comfortable. Maybe I should get the 54 frame? How to approach this topic? THANKS for the help!

7 comments

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stucky [43 posts] 10 months ago
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let's start with the most important - height is not evrything. when between sizes, I think the rule is longer legs/shorter torso - size down, and vice versa.

I too am 177 and had a 56 Allez as my first bike. Although i could ride it fine, it was never the best fit. I now have a tarmac and an allez, both 54 cm and they fit just great. I have a 110mm stem on the tarmac and a 120mm on the allez and both feel much better than the 56cm allez ever did. With the diverge you probably want a more upright position anyway, so i'd go 54 and then change to a longer stem if necessary.

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alansmurphy [2351 posts] 10 months ago
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The diverge is very different from the Allez as i found to my cost.

 

56 Allez was wonderful and i could have even done with a slightly shorter stem (I'm around 182cm), same size diverge was tiny. I struggle with knees on bars when out of the saddle and have front wheel and toe crossover.

 

The obvious answer is to try both...

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Baga [16 posts] 10 months ago
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The challenge is, there is the Diverge Sport carbob 56 available, I tried it yesterday. Felt OK, but I had no 54 to try alongside. There is another Spec frame size 54 that I will try today. I think the geometry is very similar. What should serve as an indication?

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AJG_19 [7 posts] 10 months ago
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I'm a bit taller than you at 178 cm.
I've a shorter torso and longer legs. I didn't get to ride a 56 Diverge but through my leg over a 56 Roubaix which has a similar but not the same geometry and I felt way to stretched out reach wise.

I tried a 54 Diverge and bought it. I was happy with the way it felt when I had a ride of it. Not got any problems with toe crossover or knees on the bars when out of the saddle. Though if I was a touch taller I probably would do.

As above try a 54 and take your pick between the two.

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Baga [16 posts] 10 months ago
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Thank you for all the replace. I finally had a chance to try the 54 Diverge frame and compared it to the 56. It was smaller indeed and more comfortable for me. I had more flexibility to take a comfortable positiona nd pulled the plug on Diverge Sport carbon 2019 54. Looking forward to try it out now:-)

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bluemarina [11 posts] 10 months ago
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Great to hear! I think in general it's better to go with the smaller frame as in the worse case it's always possible to adapt with a smaller stem or other small changes.

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stucky [43 posts] 10 months ago
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"it's easier to make a small frame larger than it is to make a large frame smaller" - think i read that somewhere in this forum  1 enjoy your new bike!