Full Member
Join Date: Apr 2019
Location: Northern NJ
Posts: 419
Bikes: 1987 Pinarello Montello, 1996 Litespeed Classic, 1996 Colnago Master Light, 1997 Litespeed Ultimate, 2006 Opera Leonardo FP, 2006 Pinarello Paris FP, 1984 Pinarello Record, 89-ish Cornelo Profilo
Mentioned: 5 Post(s)
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Ultra torque good, power torque bad
Ultra shift good, power shift bad.
That about covers it.
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In all seriousness, the Ultra shift appears on the hgiher end groups, and allows for more gears per lever throw.
Power torque is an older bottom bracket scheme. Again, ultra torque is better, stiffer, easier to install.