Originally Posted by NordieBoy
I've a feeling a 13t front would make the chain gark up the top of the swingarm slider quite quickly.
I use 14-15-16/46 in 112 link 520.
Normally stay with 15/46 though unless doing long road or singletrack.
'Recently swapped to 16/46-520 from stock 15/42-525. I tried the rear 46t with the front 15t, but the DR was revving too high from 70MPH (indicated) and up. The 16/46 is just slightly lower than stock, letting the DR pull away from a stop a bit smoother with a passenger on back. Revs at 70MPH+ are still fine, the 520 chain is worn slightly slower than if using a smaller 520 CS sprocket, and the DR lugs along a little better in 1st.