People claim that it provides smoother ride/less friction/longer bearing life/less drive train wear, but anybody who has seen how slack the bottom run of even a tight chain is under power will realise that this is irrelevant unless you're only concerned about the above mentioned factors during the small amount of time when you're soft pedalling.
Backlash.
People claim that it provides smoother ride/less friction/longer bearing life/less drive train wear, but anybody who has seen how slack the bottom run of even a tight chain is under power will realise that this is irrelevant unless you're only concerned about the above mentioned factors during the small amount of time when you're soft pedalling.