Has anyone done this on their Pugs? My daughter is struggling with getting comfortable on hers (bike path Summer riding), and I've tried all kinds of stem and alt bar combinations. When she shows me where she wants her hands placed, it looks like she needs bars with a huge amount of rise (6+"). I assume I would need a new stem for BMX bars, correct? Any input would be appreciated.
I use a DMR Wingbar and it comes with a shim so that it can be used with an MTB stem. You should be able to find a shim like that somewhere.
DMR Braced Cro-Mo Wingbar | Buy Online | ChainReactionCycles.com
I have gotten around this one by keeping the steerer uncut and stacking it up to the top with some a couple 40mm spacers, and one 30mm, for a 110mm or 4.3" stack, and a 37mm rise bar and another 45mm or so from a high rise 90mm x 35* stem. that's 7.5" total.
I don't like the way it looks though, so I may cut down the steerer, and get a 7/8" stem, and use a 5.5-6" rise chromoly BMX bar still.
you will need a 7/8" stem. I only know of one 31.8mm BMX bar and it is expensive and hard to find in a lower(5.5") rise version. they are the Box Maximus cruiser bars.
Seems like you should be able to use an adapter shim between the smaller bar OD and the stem ID, no need to get a different stem.
and you can get 100mm riser bars in mtb standard diameters pretty easily and inexpensively.
the 100mm riser bars are usually cheap cruiser stuff and pretty weak.
they also look almost as geeky as my 4" of spacers.
the bmx bars are going to look way radder.
I haven't found any 31.8 to 22.2(7/8) shims, so you would have to use two shims(one 31.8 to 25.4, and one 25.4 to 22.2).
I don't think that is recommended.
Unless you already have a 25,4 stem, then you can use one shim and it should be fine.
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