with severe trouble . . . try getting a flat headed screw driver in your stem with a piece of paper over it (to reduce marking) and then push it in quite far, basically open it up as much as possible and then try and slot the bars and shim in at the same time?
with severe trouble . . . try getting a flat headed screw driver in your stem with a piece of paper over it (to reduce marking) and then push it in quite far, basically open it up as much as possible and then try and slot the bars and shim in at the same time?