Chainrings

Named for a 17-year Minneapolis messenger veteran, Tim Gellerman, whose messenger call name was 3.14 (Pi). The 314 Messenger ring is manufactured from the same high-grade, 7000-series alloy as the All-City 612 Track ring, but fits 130mm B.C.D. cranks. - Chain Compatibility: 1/2-inch x 1/8-inch

612 Track rings are the perfect compliment to any 144mm B.C.D. crankset. They are made from 7000 series aluminum and feature a lovely and durable anodized finish. - BCD: 144 - Chain Compatibility: 1/2-inch x 1/8-inch