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Bike Adapter Bar For Day 6 e-Bike  

Updated 09/26/2025 | Published 05/04/2025

Question:

Im looking for a bike frame adapter bar that will work for my Day 6 Ebike. It is a large frame ebike. Thank you

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Expert Reply:

Hey Dennis, that's a pretty neat bike. I tried to track down specs specific to the frame/post diameter but couldn't find anything solid. Just looking at other specs and pictures though, it doesn't seem significantly larger than typical e-bikes, so I think the Swagman Adapter Bar (Large) # S57FR will work really well.

You can verify it'll fit though by taking a quick measurement of both the handlebar stem and seat post diameter on the Day 6. This adapter bar will fit perfectly as long as it doesn't exceed 2 inches. This particular model also has a longer extension (up to 35 inches) to accommodate the larger wheelbase on that bike.

The 35 pound weight capacity on the unit isn't a concern as long as you aren't using it on a hanging-style rack (no hanging-style racks could handle that bike, anyway).

Let me know if it doesn't look like this will work and I'll keep digging.

expert reply by:
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Chris R
Chris R. profile picture

Chris R.

9/26/2025

Hey Dennis, did you have a chance to measure the handlebar stem and seat post diameter on your Day 6 Ebike to see if the Swagman Adapter Bar fits? I'm asking because your experience could help others with similar bikes.

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