Originally Posted by avs

i don't know if this is a typo but a 26/69 would give you at least 50mm rollout and close to 60mm with uncut tires. 71 is the smallest spur i have seen in 64pitch, so maybe you meant 48pitch?

26/96 was the suggested gearing to start, which is equal to 19/72 or 18/69 in 48pitch.

64pitch is common with indoor tracks where sand/pebbles are not an issue, 48pitch might be a better choice for outdoors