Andy B: Awesome mod! Mini owners are lucky that their crank arms are 5-bolt just like the Schlumpf SD. Us 5.x owners can’t do the same unless we somehow manage to find a 5-bolt front sprocket to replace the existing 4-bolt one. 
Andy B: Awesome mod! Mini owners are lucky that their crank arms are 5-bolt just like the Schlumpf SD. Us 5.x owners can’t do the same unless we somehow manage to find a 5-bolt front sprocket to replace the existing 4-bolt one.