Gazelle reynolds 531 tubing. Posted on March 13, 2017 by VintageBicycleWorkshop Gazelle reynolds 531 tubing , chinelli lugs , full shimano 105 sti groupset , mavic ma 40 rims low profile, stem and handlebars from ambrosio , a bicycle available at 800 euros. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)