The bottom bracket uses ceramic ball bearings, which have now become synonymous with aftermarket parts. We use Grade 3 ceramic balls, which are the highest grade in the practical range. BB is a consumable item, so we recommend replacing it when overhauling. ■Compatible cranks: Shimano Hollowtech II ■Italian shell 70mm (M36, 36×24)
Color: Silver Package size: 11.2 x 5.6 x 5.4 cm; 100 g
