Soporte inferior NOS Shimano 105 SC BB-1055 - Husillo 115 mm, JIS, BSA roscado
Spindle Type: Square Taper (JIS). Spindle Length: 115mm. This bottom bracket is part of Shimano’s revered 105 SC (Sport Concept) group from the early 1990s and is renowned for its durability, smooth operation, and ease of maintenance.