You've got a lot of leverage there, that Shimano stem ain't gonna hold 'em in place, shim or no.
The AW complete bikes have BMX style stems, with 4-bolt arrangements so you can clamp the bars down really tight.
BMX style stems are never going to be as pretty as the Shimano one, but you might be able to find summat like a high polish DK or an S&M Redneck.
You've got a lot of leverage there, that Shimano stem ain't gonna hold 'em in place, shim or no.
The AW complete bikes have BMX style stems, with 4-bolt arrangements so you can clamp the bars down really tight.
BMX style stems are never going to be as pretty as the Shimano one, but you might be able to find summat like a high polish DK or an S&M Redneck.