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what's the logic behind using a COTTER CIRCLE to secure the clevis pin on the rear brake cylinder/pedal (FXBB Street Bob 2019)
on my tourer and every other bike I've ever owned it's usually a COTTER PIN
...noticed at the weekend and thought a previous mechanic had used a busted keyring to fasten!
Happend to be at the dealer and all softails seemed to have Circles
The cotter circle is reusable, and its much easier on/off.
heck John Deere even uses them on hay balers. Used to hold on a washer and chain on a mount that is to activate the kicker bar that rolls the bale away from the baler, and made to be used as a disconnect. since you can unhook that chain/ clip to not use the kicker bar for like when youre in hill country or have a fragile crop youre baking. Although a regular cotter pin IS more secure for that specific application, we have lost a couple of those clips. Although I think the HD ones are much more secure.
We had two circle clips snap and nearly lost one rear brake clevis pin on M8s, I also noticed the clevis pin had excessive float and replaced the clip with a split pin and thick washers to take up the play.
The other option for reusable would be an 'R' type clip.
A side note, as an engineering apprentice I was taught that the below is a cotter pin which is used as a wedge type securing for things such a British motorcycle kick start levers and bicycle pedals and the other is a split (cotter) pin to avoid confusion!
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Cotter Circle VS pin
