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Trek Domane fit question

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Trek Domane fit question

Old 06-26-21, 09:22 AM
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Trek Domane fit question

Iíve searched and canít find the answer to my question but first some background. Iíve been in an entry level Giant Defy Aluxx in an XL for 4 years and for about 4K miles. I was at my LBS and asked what would be the next bike for me and they showed me the Domane SL 5 and I fell in love. I bought one and itís being built as we speak. They ordered a 60cm for me. Iím a little concerned I need to go bigger. I am 6í4Ē and weigh 190, inseam is 34Ē. Thanks in advance for sharing your thoughts!
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Old 06-26-21, 10:29 AM
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I know stock is short in a lot of places so you probably didnít have the opportunity to test ride. But for reference Iím 5í10Ē with a 32Ē inseam. I ride a 56cm Domane and feel the fit is good.

FWIW, mine is an ALR so I donít know what the differences may be in geometry so it may be an apples and oranges comparison.
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Old 06-26-21, 10:43 AM
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Originally Posted by Chuck M
I know stock is short in a lot of places so you probably didnít have the opportunity to test ride. But for reference Iím 5í10Ē with a 32Ē inseam. I ride a 56cm Domane and feel the fit is good.

FWIW, mine is an ALR so I donít know what the differences may be in geometry so it may be an apples and oranges comparison.
Thanks Chuck. Youíre correct, I did not get to test ride. I purchased based on my research and the shop recommendation.
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Old 06-26-21, 10:57 AM
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Assuming your 34” inseam is your bicycle inseam and not your pants size, size 60 sounds right to me. If you go to a 62, you only get an extra 3 mm of reach, but an extra 24mm of stack which will likely make the bike too tall for you. You may need to swap out the tall seat mast for a short seat mask with the size 60 anyway.

With the size 60 you may need to swap out the stem for something longer, but with only an extra 3 mm of reach you'd probably need to do that with a 62 too.

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Old 06-26-21, 12:22 PM
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Thanks Kabuto 34 is my pants inseam. Forgive my ignorance but how is that different from a bike inseam?
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Old 06-26-21, 02:00 PM
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60 cm might be the max size frame they make that in. And probably it'll be fine for you. My inseam is a little more the 34.5" and I ride a 56 cm Tarmac and have plenty of room between knees and bars. Might could have gotten a 54 cm.

At most with your long torso, you might just need to change the stem length. But that depends partly on how low or upright you want to be.

Maybe the shop has a 60 cm frame in a similar model they can let your ride to address you doubts.
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Old 06-26-21, 08:15 PM
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Originally Posted by Utahriderdave
Forgive my ignorance but how is that different from a bike inseam?
Pants inseam is the length of the garment, bicycle inseam is your body's actual inseam, which is a little bit longer. Check out the video below. I have a 36 inch bicycle inseam and ride a size 58 2021 Domane SL5 with the seat mast (post) almost fully extended, so I think you'll be fine with a size 60 if your bicycle inseam is around the 34.5 - 37 inch mark.


Last edited by Kabuto; 06-26-21 at 10:33 PM.
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Old 06-26-21, 09:53 PM
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Kabuto thanks for the linkÖvery helpful! Iím new to this forum and so far everyone is kind and helpful! I would love to hear what you think about your Domane. It looks like we have the same one. Iím not allowed to send DMs yet so feel free to send me one, if youíd like.
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Old 06-26-21, 09:54 PM
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Kabuto thanks for the linkÖvery helpful! Iím new to this forum and so far everyone is kind and helpful! I would love to hear what you think about your Domane. It looks like we have the same one. Iím not allowed to send DMs yet so feel free to send me one, if youíd like.
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Old 07-03-21, 08:54 PM
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I test road a Madone (60cm), Checkpoint (56cm) and Domane (56cm) today. I'm 6'-1" with a 34" inseam. Coming off an '07 Madone 5.0 (60cm) the Domane with a medium post thing maxed out fit pretty well. The head stack needed to be higher since with age I'm not as flexible. For you with the 60cm I bet it would fit well. May need a longer than stock stem. Oh the Madone 5.0 broke a rear dropout. Trek could have fixed it but their inspection found a crack in the top tube under the paint. I was planning on a Checkpoint in the future but plans changed. Oh and above is correct the selection is not great.
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Old 07-05-21, 01:43 PM
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For reference I am 6’4” with a 38” cycling inseam and ride a 62 Domane with long seat mast.
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Old 07-10-21, 09:18 AM
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I'm 6'2 with 36"8 inseam and just chose a 60cm Domane AL2 rather than a 62cm after many test rides (I bought both bikes). The trek sizing calculator https://www.trekbikes.com/us/en_US/s...=122747&step=1 is off so rather don't rely on it to make a choice .
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Old 07-10-21, 07:03 PM
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Rather than going by the manufacturer's frame size, I recommend going by top tube length. You can use a bike size calculator here: https://www.competitivecyclist.com/S...ulatorBike.jsp
with someone to help you take the measurements. Saddles go up an down a lot, but there's a relatively narrow range of stems which feel good, and everyone's proportions are different. You can't really go by height or inseam.
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Old 07-14-21, 09:47 AM
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Howís the new Domane. Mines great but those 32mm tires are huge.
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Old 07-23-21, 12:31 PM
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I'm 6'4" on a 62 Domane. I also ride a 61 Specialized. A 60 Domane would probably have worked for me as well. I think you'll be fine.
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Old 07-28-21, 03:31 PM
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I'm 5'11" 180lbs and 33" inseam. On a 56cm Domane SL6. Seems fine. Bike fit is happening in 2 weeks so I will know more then.
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Old 05-18-23, 06:36 AM
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How did Domane 56 work out

I am same height and inseam as you and looking at getting a 56 Domane SL6. TRek site says to get a 58. Did this56 size work out for you?
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Old 05-18-23, 03:55 PM
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Originally Posted by tdonohue
I am same height and inseam as you and looking at getting a 56 Domane SL6. TRek site says to get a 58. Did this56 size work out for you?
Yes, it is the correct size as confirmed by my bikefitter.
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Old 05-19-23, 07:25 AM
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Originally Posted by Carbonfiberboy
Rather than going by the manufacturer's frame size, I recommend going by top tube length. You can use a bike size calculator here: https://www.competitivecyclist.com/S...ulatorBike.jsp
with someone to help you take the measurements. Saddles go up an down a lot, but there's a relatively narrow range of stems which feel good, and everyone's proportions are different. You can't really go by height or inseam.
TT length is only useful if you correct for seattube angle.
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Old 05-22-23, 09:35 PM
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Originally Posted by Kontact
TT length is only useful if you correct for seattube angle.
Granted, reach is a more precise way of measuring a frame, but for most of us the difference between 72.5 and 73.5 degrees at the saddle is about 1.15 cm. If your setback preference is fairly neutral, the difference can be made up at the seatpost clamp.
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Old 05-22-23, 09:41 PM
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Originally Posted by TheatreOfNoise
Yes, it is the correct size as confirmed by my bikefitter.
Good choice, good bikefitter. I'm a half inch taller, with 35" legs and a fairly high gorilla index. I need the 58. Other brands run a little bigger.
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Old 05-22-23, 09:47 PM
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Originally Posted by oldbobcat
Granted, reach is a more precise way of measuring a frame, but for most of us the difference between 72.5 and 73.5 degrees at the saddle is about 1.15 cm. If your setback preference is fairly neutral, the difference can be made up at the seatpost clamp.
Or you can just check the geo chart and correct for it.
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Old 05-30-23, 11:29 AM
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Originally Posted by Utahriderdave
Kabuto thanks for the linkÖvery helpful! Iím new to this forum and so far everyone is kind and helpful! I would love to hear what you think about your Domane. It looks like we have the same one. Iím not allowed to send DMs yet so feel free to send me one, if youíd like.
thanks!
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