Best Fits: 55cm - 60cm road and touring bikes * Top Length 21", Height 6", Has 1.5" Length at the Top Tube * Designed to fit a variety of bike frames, these bags can be used for everyday riding, commuting, and adventuring * Adjustable webbing attachments with low profile cam lock buckles for broad array of bike fits * Dimension Polyant Xpac 400 Denier Fabric