brake sprocket combo

[SaultCB750]

does anyone here have any experience installing a brake and sprocket combo onto a 79 cb750f ?

 

[cqyqte]

I have found that setting up a sprotor is a pain on anything, let alone a CB750. Forget about using any lubrication unless you just want the brake as a visual aspect on your bike. Normally any fluid will be slung off the sprocket/rotor, but you have to be careful when applying wax or chain lube, you need to ensure that the excess is cleaned up and then you need to remove the brake pads and clean their surfaces immediately then reassemble the caliper. Your chain will get coated with brake dust and require cleaning more often. But the cool factor is somewhat worth the extra trouble.

 

[two-smoker]

One thing he didn't mention is they are made to work with rigid frames. If you use one on a swingarm, you'll most likely have clearance issues, because they are supposed to sit in the nice open "v" area a rigid has. On a swingarm they have to sit off-center and want to occupy the same space as the chain.
Supposedly they are designed in such a manner that chain lube gets flung away from the friction surface, but every one you see that gets used looks scorched... Not exactly pretty.

 

[two-smoker]

Remember that the brake has to move along with the wheel when you adjust chain tension....

 

[two-smoker]

Exactly. If you look at any of the off-the-shelf sprotor setups, they'll have a slotted bracket to locate the caliper.

 

[cqyqte]

Or there will be a thick heavy bracket that will replace a bushing on the axle to hold the caliper inplace no matter where the axle ends up after chain tightening. I my opinion they are a show bike set up, not really meant to stand up to the real world exposures.