Attaching a handle to a bike saddle

I’m sure this has been discussed before but I feel this merits some discussion. I was wondering whether anyone in the community might have suggestions for attaching an handle to this particular bike saddle.

For the most part, I really like this saddle. It’s a BiSaddle Bonneville distance. The neat thing is it comes with 4 bolts that allow you to adjust the width of the saddle, both the front and the back. In addition, you can swap out the surfaces while keeping the base.

The base is key in this project, since there are four slots to mount a handle to, much like a typical uni saddle, although with wildly different dimensions. The simplest solution I see is to design a 3D printed handle. But how to fit it is where I’m stumped.

I’m bringing this to the community to see whether anybody has suggestions for how to improve this concept/design. I’m a total newbie at designing 3D prints (besides a pretty shoddy figurine I once virtually sculpted for a class).

Thoughts?

A Kris Holm T-Bar base also fits in there perfectly. Drilling two holes for the rear holes might do the trick, although I’m not sure how strong it would be. Maybe a metal reinforcement plate?

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absolutely about reinforcement - not sure how strong the saddle is but given it’s a bike saddle you will be on the handlebars a lot to keep you from sliding off the front.

I’d suggest trying to work out how to clamp the T-bar to the metal rails rather than the seatbase.

Years back I did a DIY handlebar using half of an adjustable stoker stem attached to the seatpost but not sure that would work with the carbon post.

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Not an easy fit, because you certainly have to bend and grind the parts in place. But finally it would be a good solution.

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The quick&dirty solution:




The above is already stable, especially in up/down direction where a T-bar is used. But it is easy to be further secured:



It can be problematic in case your legs rub against the construction. And the height of the T-bar is not adjustable.

QU-AX sells a handlebar that attaches to the seat post, or the seat tube where it can double as a seat post clamp. It does bang into my thighs a bit, but I actually prefer it to the T bar. It can really take a beating, plus I can put the brake lever where I can actuate it without changing grips.

The QU-AX website isn’t set up for US ordering, but David will hook you up with an order form and a payment link if you send customer support an email.