Help! need a 5 arm octalink 1 chainset

astro_nomenoff
astro_nomenoff Posts: 9
edited November 2009 in MTB buying advice
I'm in need of a 20t inner ring, only available in 5 arm, so need a compatible chainset, any suggestions?

or

Anybody know of a 20t ring for 58mm BCD 4 arm Specialized chainset?

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