Chandez cranks, manuf. by Chalaye of St.Etienne, used by Harry Grant for hour motor-paced record.These are an interesting find because they are for a square taper spindle, whereas the others I have ever seen have all been the cottered crank design.from Peter Brueggeman's website of his beautiful Hetchins-"...Harry Grant ... at his first successful attempt … Continue reading Chandez curved cranks