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Evening switcheroo to my modern 1861 Moonwatch cycling computer…headed out on my old Schwinn Sprint fixed gear TT bike [Dura-Ace track 50X15/88 gear inches drive train set-up]…looking for a street fight with multi-geared riders…😁…
Correct me if I’m wrong but your 50x15 is a straight 90” gear, but I’ll take you on with my 50x14 (96.4”) trackie OR the 11-speed Ultegra 6800 on the road bike… loser buys the donuts! 👍