BBB BSP-90 SHIFT-FIX DERAILLEUR CLAMP Diameter – 34.9 mm Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... BBB BSP-90 SHIFT-FIX DERAILLEUR CLAMP Diameter – 34.9 mm Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...