Folding Spinner Size Diam. Shaft Yoke BB Folding Turbo 50/6/8 50mm 6.0mm 8mm BB Folding Turbo 50/5/8 50mm 5.0mm 8mm BB Folding Turbo 50/4/8 50mm 4.0mm 8mm BB Folding Turbo 45/6/8 45mm 6.0mm 8mm BB Folding Turbo 45/5/8 45mm 5.0mm 8mm BB Folding Turbo 45/4/8 45mm 4.0mm 8mm BB Folding Turbo 40/6/8 40mm 6.0mm 8mm BB Folding Turbo 40/5/8 40mm 5.0mm 8mm BB Folding Turbo 40/4/8 40mm 4.0mm 8mm BB Folding Turbo 40/3.2/8 40mm 3.2mm 8mm BB Folding Turbo 38/6/8 38mm 6.0mm 8mm BB Folding Turbo 38/5/8 38mm 5.0mm 8mm BB Folding Turbo 38/4/8 38mm 4.0mm 8mm BB Folding Turbo 38/3.2/8 38mm 3.2mm 8mm BB Folding Turbo 36/5/8 36mm 5.0mm 8mm BB Folding Turbo 36/4/8 36mm 4.0mm 8mm BB Folding Turbo 36/3/8 36mm 3.0mm 8mm BB Folding Turbo 34/4/8 34mm 4.0mm 8mm BB Folding Turbo 34/3.2/8 34mm 3.2mm 8mm BB Folding Turbo 34/3/8 34mm 3.0mm 8mm BB Folding Turbo 30/5/8 30mm 5.0mm 8mm BB Folding Turbo 30/4/8 30mm 4.0mm 8mm BB Folding Turbo 30/3.2/8 30mm 3.2mm 8mm BB Folding Turbo 30/3/8 30mm 3.0mm 8mm