8 speed on Tiagra cranks ?


Legendary Member
For a forthcoming rebuild, can i run an 8 speed setup on 9 speed chainrings....
ie Sora on Tiagra chainrings....can't see why not, but...
If not, i assume i will just fit some 8 speed rings to the Tiagra cranks..

Any ideas or thoughts ????
it will be fine
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