Bike Forums - View Single Post - Can I replace road crankset for MTB?

08-08-22, 11:45 PM

#13

70sSanO

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Quote:

Originally Posted by cyccommute

I have two Shimano 2 piece (aka external bearing) cranks on the bikes in the picture above. It’s unorthodox but I have moved all of the spacers on the drive side to the nondrive side to give the road derailers I use the range they need. Internal bearing bottom brackets are more orthodox but they are a little more involved in installation.

This would probably work, but even if you left 1 spacer on the DS you would be at a “theoretical” 47.5mm. Sora r3030 triple is 45mm. That would seem close enough to me.

John

Edit added: You can check how far out the FD will reach before swapping anything.

Last edited by 70sSanO; 08-08-22 at 11:55 PM.

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