bmwbadboy Well-known member Joined May 11, 2018 Messages 3,126 Reaction score 0 Location Lugano Nov 27, 2019 #1 Is Gen4 gearing identical to Gen3 or different? Didn't check the manual yet...
fast_ryan Well-known member Joined Apr 1, 2015 Messages 4,661 Reaction score 8 Nov 27, 2019 #2 The Gen 4 OEM gearing is 17/45.
bmwbadboy Well-known member Joined May 11, 2018 Messages 3,126 Reaction score 0 Location Lugano Nov 27, 2019 #3 Looks like they are identical indeed. Page 233 is Gen4, page 209 is Gen3
B baz Well-known member Joined Jul 26, 2012 Messages 944 Reaction score 0 Location attleborough norfolk Nov 27, 2019 #4 And the gen3 front sprocket fits-about the only thing that does!