Truvativ HammerSchmidt-AM (M15) Bottom Bracket: HammerSchmidt-specific *(HS) bottom bracket assembly for FR and AM model cranksets. Crank mounting bolts supplied with cranks and specific in size AM (M15 hollow) due to spindle thickness.
Submitted by
bionicman
a Weekend Warrior
from KINGMAN,AZ USA
Date Reviewed: December 15, 2011
Strengths: NONE
Weaknesses: RIGHT HAND SIDE BEARING IS JUNK
Bottom Line:
I've went through 3 BB in 15 months of use of my HS system.
The right hand side bearing quality is JUNK. Its the only problem I've had with my HS system is the required BB setup.