How To Change Shimano Chainring. On my e-mtb I swapped out the original Shimano 34T chainring with a Wolf Tooth 104 BCD A 34T since some of the teeth were rounding off after 5 months of use. If the noise is a problem shift the chain onto the next largest sprocket or the one after.
I have to put in a new cassette and a new chain as well and looking at the teeth of the largest chainring cog in the front it looks like the teeth are pretty worn as well. I recently just swapped it out again 2 months ago to the 36T Wolf Tooth 104 BCD A for more speed. Its to do with the PCD pitch circle diameter of the chainset.
Are you looking to change your gear ratios or replace a chainring thats worn out.
You can also swap chainrings to. How To Replace Chainrings On Your Shimano Hollowtech 4 Bolt Road Crankset. It is somewhat of a judgment. This approach ensures the chainring bolt goes all the way through and the cut down chainring tabs act as a large washer to better distribute loads through to the spider something you need to consider with lightweight cranks.
