产品规格

型号 BB-UN55
系列 SHIMANO
轴长度/五通宽度 107_68 mm (BC1.37), 107_70 mm (M36), 107_73 mm (BC1.37), MM110_68 mm (BC1.37), MM110_70 mm (M36), MM110_73 mm (BC1.37), LL113_68 mm (BC1.37), LL113_70 mm (M36), LL113_73 mm (BC1.37), D-H_68 mm (BC1.37), D-H_70 mm (M36), XL118_68 mm (BC1.37), XL118_70 mm (M36), XL118_73 mm (BC1.37), D-NL 122_68 mm (BC1.37), D-NL 122_70 mm (M36), D-NL 122_73 mm (BC1.37), D-EL 127_68 mm (BC1.37)
轴长度/五通宽度_LL113_70mm
   
轴长度/五通宽度_MM110_70mm
主轴类型 Square type
结构 Standard