Vintage French Set of Mavic 631 'Starfish' Crank Arms (172.5)

Set of vintage Mavic 631 crank arms. These are 172.5mm in length and have standard 9/16th pedal threads. The arms have scratches, scuffs and nicks to the anodized finish. The tapers and extractor threads are in working order. Exactly as pictured! Originally established in 1941 by a Six Day Track racer Oscar Juner & his wife Gay. American Cyclery is the oldest full service bicycle shop in San Francisco and continues to offer a world class selection of bicycles, parts, accessories & unique cycling ephemera. We sell a full range of bicycles from handbuilt custom bikes to kids bikes and commuters. As one of the oldest bike shops in the United States, some very special bikes have rolled through the doors and we strive to provide the best professional service for our customers! As well as selling brand new bikes we are passionate about cycling history and culture. The shop is home to an ever growing collection of cycling ephemera & bicycles. Please check out our listings and add us to your saved seller list!