Hi, i used to have a VFR400 NC30, and i fitted some Rick Oliver Caliper brackets to enable me to use some Honda SP1 nissin calipers.

Would the brackets for a nc30 fit the MC21?

are the mc21 calipers the same as standard NC30 ones? mounting points etc..


cheers

Jon

The MC21 (and MC18) use the same pitch (blind) calipers as the VFR, but smaller disks. The VFR uses 296mm and the NSR uses 276mm.

The brackets will work, but you would probably be better off fitting MC28 forks that use the threaded calipers rather than using brackets - it would look cleaner for a start.

Alternatively you can use VFR forks, and then you will have a setup you are more familiar with. The whole lot will slip striaght in; forks, wheel, axle, spacers, calipers and disks.
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Andy.
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ah right thats good to know. so no spaces needed then around the headstock? so do you also use vfr yokes too.

if the brackets would work i would prefer to use them really as all i want to do is fit some brembos/sp1 calipers to the NSR. I mean will the brackets make the calipers fit ok on the smaller nsr discs too?

But i will keep that in mind.

If i were to say fit some zxr400 forks, would i need to get a spacer made up for the headstock etc..?

thanks for the info i will keep that in mind. But ive always said to myself that if i changed the forks it would be for some USD's.

The NSR forks are 41mm, same as the VFR, so use the NSR yokes (triples). The calipers are effectively the same (the VFR ones may be relieved just a tad more to take a 297mm disk, but I doubt it) so the only major difference between the VFR forks and the NSR forks is the caliper mounting points on the NSR are closer the axle.

If you want big disks, fit the VFR forks, if you are happy with the NSR disks, continue to use the NSR forks. The NSR setup is more than enough even if racing if kept in tip-top condition, especially if you get some F3 cast iron disks!

Fitting any other front-end will necessitate a new stem.
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Andy.
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cool, thanks for the info, i will have to have a good think about what to do now it seems i will be keeping the nsr.

I see many people fit kawasaki zxr400L forks, what is required to make these fit? do they slide straight in (probably not )?

See above...

"Fitting any other front-end will necessitate a new stem."

The easiest swap is an RVF400 USD front end. You grind the weld off the botton of the NSR stem and the RVF stem, and then press them out. You then press the NSR stem into the RVF bottom clamp, and weld it back up. Easy when you say it fast, or if someone else does it!!

Any other front end is work! You will need a custom made stem, then depending on your choice of wheels, spacers, caliper mounting brackets, axle etc. If you choose a complete front-end to fit, then you need (or probably want) to modify the rear to take a matching rim, which will no doubt require spacers and the like.

Anything other than OEM NSR and you will run into clearance issues. Even my RS front-end with 41mm forks (same as NSR) has the clutch adjuster lock-nut on the lever just clip the instrument clutser due to the lower bars, and the brake lever just touches the other side on full lock. I have an HRC steering stopper and a set of F3 instruments to go on next, so that will cure those problems. Won't have any speedo at all to worry about then!!
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Andy.
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Standard SP forks it is then