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Black_Rainbow_Project
I use a dinglespeed in the Chilterns & Swinley because of the (to me) too spinney to get there and too tall on the hills. I run 2 chainrings 36 & 32 on the front and two cogs 20 & 16 on the rear carrier. Gives me 36/16 to ride into the hills and 32/20 in the hills. Same number of teeth overall on both set ups so same chain length & no need to change chain or adjust drop outs. 29er of course...
As long as total number teeth add up to the same on both front and rear combos chain length about the same