Hello list
I came across of 122 bcd Benotto Crankset in a recent clean up. The crank arms are panto'd Benotto. The thing that puzzles me is that it appears to only be designed to hold one chainring. There is almost no shoulder to support a smaller chain ring on the inside. The bolt pattern is definitely 122bcd.
Does anyone have knowledge about this type of set up and when these would have been used ? Is it for track or was it just a single chainring set up ?
I have some photos if anyone is interested.
Thanks
Brian Frank Toronto, Canada
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