My saddle height is 73cm. I got the chance to ride the 55cm today and it felt surprisingly small. I’ll need to ride. 60 to feel it out if anyone in the Chicago area wants to meet up:) and try out a 56cm Susie 

On Nov 7, 2024, at 8:33 AM, DavidP <dphil...@gmail.com> wrote:

What's your saddle height?

The Platypus is a shorter bike than the Susie and you'll need a longer stem or different bars to get the same reach on the 55cm Platypus that you have on the 56cm Susie. The concern about trying to go to the 60cm Platypus with an 82.5 PBH is running up against the minimum saddle height; you may end up being constrained with saddle and seat post options to make it work.

Here's my 60cm Platy with a ~74.5cm saddle height, B17, and stock K-alloy post. You can see there's not too much space before the post starts to taper down.

-Dave

On Thursday, November 7, 2024 at 5:52:45 AM UTC-5 Roberta wrote:
I’m 5’7”, 82 or 83 cm pbh, female, have a 55 platypus with Billie bars on a 10 cm extra – tall stem. The bike fits me well, but feels larger than my mid chain stay sized bikes, HomerHilson and Betty Foy. Your Susie is already a “bigger “Bike  and you feel comfortable in it.  

The Billy bars come WAY back.  In fact, I cut off one centimeter of mine and I’m thinking of doing another centimeter.  If the extra tall stem came in a 12 cm length I would’ve just gotten that. It is a. fabulous bar, and I love the way it angles back ergonomically. 

With your comments, and longer upper body, and preference for a billy bar, I have a feeling you’ll be more comfortable with the bigger platypus





On Wednesday, November 6, 2024 at 6:47:22 PM UTC-5 mnwha...@gmail.com wrote:
Im definitely going to do swept back like Billie bars bc I like the option of putting my hands forward on longer rides. I see this Platypus as a commuter, tourer, group ride zipppy bike if that helps. What I didn’t like about the 53cm Susie was how much I had to jack the seat up and handlebars but I was at the upper end range of the recommended pbh whereas with the Platy I’m at the very bottom for the 55!

On Nov 6, 2024, at 11:54 AM, Mackenzy Albright <mackenzy...@gmail.com> wrote:

I agree with John on depending on the handlebar setup desired. Having gone up a size on a clem (64) - it felt awesome with a low swept back bars  and a moderate length stem. (loscos ~110 stem) It would have never worked with flat bars because the reach was soooo long even with a shorty stem. the stack was very tall as well so I couldn't use boscos or high rise bars with comfort. I have a "proper sized" 59 clem that I use swept backs (bosco/tosco) with a longer stem and I could definitely run flat/risers bars on it. I would be happy with either size (59/64). I have more bar options with the smaller size given you can go with stems in any direction. The bigger size felt easier to fit roomy and I loved the unloaded handling on trails - but less bar options.The loscos felt perfect and looked amazing so I honestly didn't try much else. In then end I chose to keep the 59 clementine purely off the front end felt better carrying a basket load and it was orange. 


On Wednesday, November 6, 2024 at 9:23:42 AM UTC-8 John Johnson wrote:
It may depend on what bars you'll want to use (drops vs swept back, for example) and what your use case is for the platypus (fast road vs cruising/commuting, for example).

On Wednesday, November 6, 2024 at 6:15:22 PM UTC+1 brok...@gmail.com wrote:
Based on the 55cm Platypus that my brother-in-law has, and I have test-ridden, I would guess you'd want the 55cm. For comparison, I'm 5' 8", with an 83 PBH, and my brother-in-law is the same height as me, but with probably a slightly shorter PBH.

Brian
Lex KY

On Wed, Nov 6, 2024 at 11:44 AM Johnny Alien <johnny....@gmail.com> wrote:
At that size and PBH I would probably suggest 55. Are you asking about going larger than that?

On Wednesday, November 6, 2024 at 11:36:29 AM UTC-5 mnwha...@gmail.com wrote:
Hi there,

I currently has a 56cm Susie and ended up trading it from my 53cm. I found the bigger frame and tires were more comfortable. I am 5’10 with an 82.5 PBH.

Now I’m buying a Platy and am in the same boat in between sizes. My PBH is just above the bottom limit for the 55cm. I know Riv says you can size up. I want to make sure it feel zippy but not small. Any thoughts? Thanks!

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