Shimano 105 BB5500 Octalink bottom bracket

Cranks and bottom brackets have a decisive influence on the overall performance of a bicycle. Clean running, good power conversion and high load capacity are existential factors when choosing a crankset. Shimano produces a large assortment of different cranksets and matching bottom brackets. Thereby an optimally suitable system is available for every bike and every discipline. Hollowtech II works with 24 mm axes or bearings After analyzing all the factors and carrying out tests, we decided on axes and bearings with a diameter of 24 mm. This provides the highest possible balance of rotational efficiency, rigidity, load capacity, tightness and weight in proven Shimano quality. Octalink eight-way toothing of bottom bracket and crank. Optimized intervention, more efficient power conversion. The hollow axle significantly increases the rigidity of the bearing. Tapered ribs ensure a durable load-bearing connection of bottom bracket and crank.

• Group: 105