79 Motobecane seatpost bolt size?
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79 Motobecane seatpost bolt size?
Anyone know the correct size for 79 Motobecane Super Mirage seatpost replacement bolt? I'd like to match what's supposed to be there as closely as possible but doesn't have to be vintage. Bike had a rusty bolt with multiple rusty nuts when I bought it. I picked up a 17mm seatpost bolt, but it's too big.
Thanks for any insights.
Thanks for any insights.