think of how yourself is connected to the bike, your feet, pedals then bb axles. in terms of loads, the bottom bracket does not recognise the diff between pull or push. there will be torque and lateral movement within the bb. this, regardless on which way you're spinning.
think of how yourself is connected to the bike, your feet, pedals then bb axles. in terms of loads, the bottom bracket does not recognise the diff between pull or push. there will be torque and lateral movement within the bb. this, regardless on which way you're spinning.