GSXR front end conversion using SV front wheel

[fastdruid]

Originally Posted by yorkie_chris

You joking right?

No. Admittedly from a braking POV the 'busa ones are better but they are very badly designed, they only work well with new pads and wear out the body of the caliper so are useless for any real mileage. SV calipers all the wearing parts can be easily replaced.

Druid

[yorkie_chris]

Except where the sliding pins wear the bodies oval.

The SV ones are heavy for what they are and flex too much. The tokico 4 pots are admittedly susceptible to wearing the bodies if you don't keep up to the maintenence (not as bad as the 6 pots by a long way) but miles ahead of stock.

Also corrosion around the pins gives you horrible feel which the opposed piston types don't suffer from at all. Though I admit the 2 pots are SO much easier to dissassemble.


Not tried the nissins yet but will do. I got some triumph ones as OSS reckoned they were same as the tokico/nissin pattern but they are different. Do not fit over disc.

[fastdruid]

Originally Posted by yorkie_chris

Except where the sliding pins wear the bodies oval.

True, which is why I said better not good.

The SV ones are heavy for what they are and flex too much.

Don't disagree one bit.

The tokico 4 pots are admittedly susceptible to wearing the bodies if you don't keep up to the maintenence (not as bad as the 6 pots by a long way) but miles ahead of stock.

The Nissins on my VFR (ie designed/first fitted for the ~1986 model) are *way* ahead of either the SV's or the GSX-R's wrt long term use. Pins are screw in (so no wearing oval) and the pads sit against a replaceable metal plate. 72k on the same calipers and the brakes are still very very decent[1], IMO no way the SV or GSX-R would last anywhere near that.

Druid

[1] Not up to say CBR600RR levels obviously but they are over 20 years old!

[fastdruid]

Originally Posted by yorkie_chris

Also corrosion around the pins gives you horrible feel which the opposed piston types don't suffer from at all. Though I admit the 2 pots are SO much easier to dissassemble.

Very true. Still you can replace pins (relatively) cheaply. I certainly prefer opposed piston types its just that IMO the tokicos are badly designed.

If you look at say nissin CBR600RR calipers (03-04, pre radial calipers) as we have fitted to the trackbike I'm selling.


The pads are held in place by two screw in pins, preventing rocking (and as they screw in any movement of the pins) and the pads themselves sit full length against the body of the caliper (rather than the tichy amount they do on the tokicos), again preventing (significant) movement.

The CBR600RR brakes btw are unbelievably fantastic.

Druid

[yorkie_chris]

I agree those nissins are nice. When the bodies of the tokicos wear though you can file them flat again so long as it's not too bad. Mine are fairly grooved there from the knocking with not having the backing springs in there but they still work fine.