Folding Bike Wheels 20 inch 16 inch 12 inch 20 inch Item:406-30 Type:Clincher Material:carbon/3K、UD Height:30mm Width:28mm Weight:325g±15g Item:406-38 Type:Clincher Material:carbon/3K、UD Height:38mm Width:21mm Weight:275g±15g Item:451-38 Type:Clincher Material:carbon/3K、UD Height:38mm Width:21mm Weight:310g±15g Item:451-50 Type:Clincher Material:carbon/3K、UD Height:50mm Width:21mm Weight:350g±15g 16 inch Item:349 Type:Clincher /Tubeless Material:Alloy+Carbon surface:3K、UD Height:39mm Width:23mm Weight:260g±15g Item:355 Type:Clincher /Tubeless Material:carbon/3K、UD Height:38mm Width:23mm Weight:250g±15g Item:369 Type:Clincher /Tubeless Material:carbon/3K、UD Height:38mm Width:23mm Weight:285g±15g 12 inch Item:12C+ Type:Tubeless Material:carbon/3K、UD Height:25mm Width:29mm Weight:140g±15g