How do you remove a Shimano Ultegra 6500 crankset?

Turn the crank bolt counterclockwise. You will feel more and more resistance as the (invisible) collar of the crank bolt pushes against the extractor. Keep turning and the crank will come off. To use the crank pulling tool, remove the extractor, the crank bolt and, if necessary, he crank bolt washer.

What is hollowtech crank?

HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity.

How do you remove a hollowtech 2 bottom bracket?

Hollowtech II bottom brackets are obviously threaded the same as traditional square taper bottom brackets. This means that to remove them you need to turn them into the direction the bike is facing. Clockwise for the drive side, and counterclockwise for the non drive side.

How long does it take to fit Hollowtech II?

Shimano’s Hollowtech II system, first seen on XTR in 2003, found on XT and Saint in 2004 and LX and Hone for 2005, is an entirely different animal. The good news is that fitting has got simpler again – you can fit a set of these in about five minutes. 1.

Do I need to grease Hollowtech 2?

4. Grease is important for fitting Hollowtech II. You’ll need to put grease (or anti-sieze) on the bearing cup threads. If you’ve got a well-prepped frame the cups should spin most of the way in by hand, needing the special spanner that you didn’t realise you needed and had to wait a week for just to snug it home.

What are the side faces of a Hollowtech II bearing?

Hollowtech II bearings are a separate unit each side, so it’s essential that the faces of the BB shell are flat and parallel. This isn’t always the case (particularly since with cartridge BBs it wasn’t really necessary) so get a clued-in shop to face the BB shell and chase the threads.

What is the difference between Hollowtech II and Concon conventional BBS?

Conventional cartridge-style BBs have both bearings fitted to an integrated unit, so they always line up right. Hollowtech II bearings are a separate unit each side, so it’s essential that the faces of the BB shell are flat and parallel.