Bottom bracket shell for frame builders. Manufactured in Taiwan by Allotec, a foundry which makes steel frame parts using the lost wax investment casting method. Please see diagram and details spec in the manufacturer's catalog.
J340A Racing B.B. Shell. Tube: Ø28.6x 31.8x22.2mm Angle: 60° x 62.72° x 7° Wt: 312.5g
Orders over a minimum threshold ship for free within Canada, with a flat rate for smaller orders. International orders are calculated, and US orders will have tariffs applied in the cart as a line item.
