Bottom Bracket Shell

Some articles on bottom bracket, bottom bracket shell, bottom:

Sizes - Updating Older Bottom Brackets
... Phil Wood Company makes retaining rings for all historic threaded bottom bracket sizes except for Ashtabula ... Therefore, Phil Wood cartridges can be fitted to just about any type of bottom bracket shell ... Any bottom bracket cartridge that allows removal of both cups can also be mounted with the Phil Wood rings and tools ...
Eccentric Bottom Brackets
... is a cylindrical plug or bearing cup that fits into an enlarged bottom bracket shell ... The plug is machined to accept a typical bottom bracket, but offset from the center of the plug, so that by rotating the plug, the location of the bottom bracket (and hence the chain tension) may be adjusted (fore ... plug is then fixed in place by a pair of set screws, a clamping bottom bracket shell, an expanding wedge in the plug, or the plug may be manufactured in left and right halves that clamp against the faces of the bottom ...

Famous quotes containing the words shell and/or bottom:

    I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
    Isaac Newton (1642–1727)

    I am glad of this war. It kicks the pasteboard bottom in of the usual “good” popular novel. People have felt much more deeply and strongly these last few months.
    —D.H. (David Herbert)