What length riser stem do I need?

[Frankenorange]

Here is another tool. Does not account for backsweep/rise on flat bars or backsweep/rise/reach on drop bars BUT if you know the start point at the clamp, of a set of bars that feel comfy, then you can play with different stems and spacer stacks in the tool.

http://yojimg.net/bike/web_tools/stem.php

It gets you in the ball park, but as Novo sats it can be best to just get a angle adjust stem. If you aren't bothered by looks and weight then keep it, or find a position and then take the stem off to draw around it (clamp centers etc) to try and get a solid stem that fits those dimensions.

 

[sefton1275gt]

It would be nice to get a stem that didn't need a shim but I can't find 1" riser stems

These stems give a lot of info about actual length and height https://www.sjscycles.co.uk/stems/e...ead-stem-plus40-deg-254mm-clamp-silver-100mm/