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What's to blame for weight discrepancy between 2021 Emonda SL5 & SL6

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What's to blame for weight discrepancy between 2021 Emonda SL5 & SL6

Old 07-14-20, 05:51 PM
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What's to blame for weight discrepancy between 2021 Emonda SL5 & SL6

The SL5 https://www.trekbikes.com/us/en_US/b...=bluedark_blue
says weight is 20.18 lbs for a size 56

The SL6 https://www.trekbikes.com/us/en_US/b...grey_greylight
says weight is 18.18 lbs for a size 56

I looked through the specs and I don't see a heck of a lot of difference between them besides a carbon vs alloy seatpost, Ultegra vs 105, and the wheelsets. Does that add up to 2 pounds you think?
I will say the weight of 20 lbs seems pretty high for a modern carbon bike....

Thoughts?

Asking because I'm considering getting the SL5. But I'm pretty sure my 2016 Roubaix with 105 and Vuelta Corsa Superlites was less than 20 lbs by quite a bit.
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Old 07-14-20, 06:30 PM
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Absolutely, alloy to carbon wheels alone could be almost a pound, throw in the groupset and a few other components, seatpost, rotors, etc. It all adds up. That being said, 105 is a great groupset and 2lbs is not going to hold anyone back. I can barely tell the difference in performance between my 18lb Defy and my 22lb Revolt. You could get the SL5 and then upgrade components later to drop some weight if you want (but it won't make that much of a difference). Mostly, get the color you like the best, because that's the hardest thing to change.
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Old 07-14-20, 06:33 PM
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Those Affinity wheels are pigs - they came with my 2018 SL5. Between that, the groupset and the other changes (I swapped out my seat mast cap, too), two pounds between the two seems realistic.

Domanes are heavier - they have the front and rear IsoSpeed and they're essentially all-road bikes with their tire clearance - so it's not exactly an apples-to-apples to compare weights with most other road bikes.
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Old 07-14-20, 07:05 PM
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Originally Posted by Rides4Beer View Post
Absolutely, alloy to carbon wheels alone could be almost a pound, throw in the groupset and a few other components, seatpost, rotors, etc. It all adds up. That being said, 105 is a great groupset and 2lbs is not going to hold anyone back. I can barely tell the difference in performance between my 18lb Defy and my 22lb Revolt. You could get the SL5 and then upgrade components later to drop some weight if you want (but it won't make that much of a difference). Mostly, get the color you like the best, because that's the hardest thing to change.
Yup I dig the blue on the SL5. The SL6 just has the single greyish which is booorrrinnnggg. Colorways are super important to me. It's the bike's personality.
Weight is important to me because I'm a short, small guy with small legs and small muscles. I need all the help I can get.

Originally Posted by WhyFi View Post
Those Affinity wheels are pigs - they came with my 2018 SL5. Between that, the groupset and the other changes (I swapped out my seat mast cap, too), two pounds between the two seems realistic.

Domanes are heavier - they have the front and rear IsoSpeed and they're essentially all-road bikes with their tire clearance - so it's not exactly an apples-to-apples to compare weights with most other road bikes.
I've got a thomson elite seatpost at the ready (it was going to go in my 2016 Roubaix but the frame cracked and I sold the replacement because the color was awful hence why i am looking for a new bike). But i can't find what size seatpost the Emonda takes....
If those wheels on the SL5 are beasts, I'll be happy to upgrade them in the future as long as it'll be a good way to get the weight down a pound or more.
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Old 07-14-20, 08:09 PM
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Originally Posted by the sci guy View Post
I've got a thomson elite seatpost at the ready (it was going to go in my 2016 Roubaix but the frame cracked and I sold the replacement because the color was awful hence why i am looking for a new bike). But i can't find what size seatpost the Emonda takes....
If those wheels on the SL5 are beasts, I'll be happy to upgrade them in the future as long as it'll be a good way to get the weight down a pound or more.
Oh, whoops - damn Trek and their anagrams. I was talking about the Domane, not the Emonda, so strike what I said about IsoSpeed.

Yeah, the wheels are pigs - around 2kg, iirc.

Like the Domane, it looks like these Emondas have the seat mast cap, not a seat post. Basically, it's like a no-cut ISP, but instead of a little cap that provides a couple cm of adjustment, it provides several cm of adjustment (there are longer seat mast caps for taller/leggier folks). IRRC, the carbon one that I bought was ~120 bucks and saved 50-60 grams (I was in it more for the change in setback).
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Old 07-16-20, 09:21 PM
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I question the weight difference because the SL6 does NOT have carbon wheels. They are aluminum. The Paradigm wheels on the SL6 are 1750 grams and I have no idea what the Affinity wheels weigh on the SL5. I am not convinced that the weight difference is around 400 grams which you would need to get that 2 pound difference.

If you like the SL5 buy that one. Try it out and if you hate the wheels change them out at a later time.
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Old 07-17-20, 10:30 AM
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Ultegra vs 105 is quite a bit of weight difference. When you go to a bike shop pick up a cassette or rear derailleur of each and you'll feel the difference.
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Old 07-17-20, 04:44 PM
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Those are solid models, just like iphone with no improvements
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