Actually the ISCG-bash should be putting more load into the spindle and the bearings. Your body weight is the load and it's always coming through the pedals. To transfer this load to the ISCG tabs it needs to go through the spindle and bb. To transfer the load to a crank-mounted bash ring on the other hand it only needs to go through the crank (and some part through the spindle, from the left crank).
Nov. 7, 2020, 3:50 a.m. - Martn
Actually the ISCG-bash should be putting more load into the spindle and the bearings. Your body weight is the load and it's always coming through the pedals. To transfer this load to the ISCG tabs it needs to go through the spindle and bb. To transfer the load to a crank-mounted bash ring on the other hand it only needs to go through the crank (and some part through the spindle, from the left crank).