Fixed Gear and Single Speed Bike Frames from IRO CYCLE Inc.

Hub Specifications

High Flange Track Hubs	Front Width from center to flange 34.5 mm Flange diameter 62.0 mm Rear Width from center to flange 31.0 mm Flange diameter 62.0 mm Chain Line 42mm Weight Front: 271 g, Rear 324 g
Low Flange Fixed/Free Hubs	Front Width from center to flange 34.5 mm Flange diameter XX.0 mm Rear Width from center to flange 31.0 mm Flange diameter XX.0 mm Chain Line 42mm Weight Front: 213 g, Rear 290 g
Single Speed Hubs	Front Width from center to flange 36.0 mm Flange diameter 40.0 mm Rear Width from center to flange 39.0 mm Flange diameter 53.0 mm Chain Line 52mm Weight Front: 213 g, Rear 356 g
Single Speed Disc Hubs	Front Width from center to flange N/A Flange diameter N/A Rear Width from center to left flange 38.0mm Width from center to right flange 34.0mm Flange diameter 58.0mm Chain Line 43-52mm Weight Front 218 g Rear 480 g