Shimano ES51 Octalink BB, 68mm x 113mm. Shimano ES51 Octalink bottom bracket, in 68mm British Standard thread, with a 113mm axle length.

Genuine Shimano HollowTech II bottom bracket assembly

One oversized spindle to work across every bottom bracket standard. BB-frame interface English/BSA 68/73mm.

Shimano SM-BB71 Road Press Fit Bottom Bracket w/ Inner Cover 86.5mm Shell Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks

Use to convert your BB30 frame (Cannondale Etc) to use a Shimano or similar chainset with a 24mm axle. This design can also eliminate the dreaded BB30 creak.

Shimano BB-MT800 Bottom Bracket, English Thread cups - 68 / 73 mm. For use on Shimano Hollowtech MTB cranksets.

Hope BB Stainless Steel Bearing - 24mm ID

To use a SRAM/Truvativ GXP chainset with a Hope BB you'll need these convertors.

Shimano BB MTB press fit 92/89.5mm. Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks. Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells.

SRAM BB GXP Team PressFit Road BB86. Bottom bracket for your GXP crank equipped Pressfit 86mm shell road bike.

Shimano BB-R60 Ultegra - 105 Bottom Bracket , English Thread Cup (68mm shell). Suitable for all Shimano road chainsets.

Shimano ES300 Octalink BB, 73 x 121mm BS Thread