CAMPAG Nuevo Record Rear Mech.

Posted on Wed 18th, November 2020

• #1

johnnywbike
I have a Pat74 .
See photo.
How many sprockets will it traverse?

2 Attachments
• #2

crossedthread

I'm (pretty sure I'm) running a five speed with one of those (can't check for sure, bike's in the loft.)
• #3

ColinTheBald

I'm running 6, but if the overall width of the block/cassette is no more than an original 6 I can't see why it wouldn't run more as modern stuff is narrower, if using friction levers (might be a bit fiddly, though).
• #4

EcuriePeril

It depends as much on the variation in sprocket size from top to bottom gear as the cage size may limit the mechs ability to span those gears
• #5

crossedthread
Another, Pat76 on six with DT shifters and works reasonably well

1 Attachment
• #6

clubman

One bike I maintain (not mine) has a Gran Sport mech which copes perfectly well with a 7 speed block.

BTW - It's Nuovo, not Nuevo.
• #7

DayTripper_Mk2

You can get a 13-26 on happily with 52/42 front rings. You might manage a 28t on the rear if you move the wheel right back in the dropouts OR you could fit a 52/39 chainring combo with the 13-26.

Your mileage may vary, but it starts to get very sketchy beyond that.

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