Shimano Dura-Ace SMBB-9241B Road Bottom Bracket (Black) (BB86) (24mm Spindle) Sachets This lets extra small bike

This lets extra small bike frames to be carried by a rear mounted car racks (by allowing more room between the frame tubes when cages are removed) and prevents cage damage by rear type bike carriers

Fits standard bike cages and most cup holders

Produced using exclusively renewable resources and processes always respectful with the animals to minimize the effects on the ecosystem

Size : W64 x L52 mm (with cover) /　W69×L84 mm (with cage)

Shimano Dura-Ace SMBB-9241B Road Bottom Bracket (Black) (BB86) (24mm Spindle) Sachets This lets extra small bikeThe bottom bracket SM BB92 41B from Shimano For press fit installation Shimano SM BB92 41B is a bottom bracket for press fit mounting of Hollowtech II cranks into a road frame with 86. 5 mm bottom bracket shell. Hollowtech II means an axle diameter of 24 mm, which benefits stiffness and load capacity. Use this bottom bracket, which is characterised by its weight saving ability and small ball bearings, in combination with a Dura Ace 11 speed crank.