My_ACE_The Final Build. The ZTTO (ZITTO?) Stem and RACE FACE Carbon bars. The bars are 31.8 x 760mm wide. Of course, they are 1/18th Steer tube clamp size. The Stem is a 50mm reach, flat (no rise). These are the same bars (and grips) that I have on my INTENSE 275 back in the USA.