Folding Spinner Size Diam. Shaft Yoke BB Folding Alum 50/6/8 50mm 6mm 8mm BB Folding Alum 50/5/8 50mm 5mm 8mm BB Folding Alum 50/4/8 50mm 4mm 8mm BB Folding Alum 45/6/8 45mm 6mm 8mm BB Folding Alum 45/5/8 45mm 5mm 8mm BB Folding Alum 45/4/8 45mm 4mm 8mm BB Folding Alum 40/6/8 40mm 6mm 8mm BB Folding Alum 40/5/8 40mm 5mm 8mm BB Folding Alum 40/4/8 40mm 4mm 8mm BB Folding Alum 40/3.2/8 40mm 3.2mm 8mm BB Folding Alum 40/3.2/6 40mm 3.2mm 6mm BB Folding Alum 38/6/8 38mm 6mm 8mm BB Folding Alum 38/5/8 38mm 5mm 8mm BB Folding Alum 38/4/8 38mm 4mm 8mm BB Folding Alum 38/3.2/8 38mm 3.2mm 8mm BB Folding Alum 38/3.2/6 38mm 3.2mm 6mm BB Folding Alum 36/6/8 36mm 6mm 8mm BB Folding Alum 36/5/8 36mm 5mm 8mm BB Folding Alum 36/4/8 36mm 4mm 8mm BB Folding Alum 36/3.2/6 36mm 3.2mm 6mm BB Folding Alum 36/3/8 36mm 3mm 8mm BB Folding Alum 34/4/8 34mm 4mm 8mm BB Folding Alum 34/3.2/8 34mm 3.2mm 8mm BB Folding Alum 34/3.2/6 34mm 3.2mm 6mm BB Folding Alum 34/3/8 34mm 3mm 8mm BB Folding Alum 30/5/8 30mm 5mm 8mm BB Folding Alum 30/4/8 30mm 4mm 8mm BB Folding Alum 30/3.2/8 30mm 3.2mm 8mm BB Folding Alum 30/3/8 30mm 3mm 8mm