Which way does a bottom bracket unscrew?

The common threading for bottom bracket shells is called “English.” The left-side cup is a right-hand thread direction, which tightens clockwise and removes counterclockwise. The right-side (drive-side) thread is a left-hand thread, which tightens counterclockwise and loosen clockwise.

What is bottom bracket shell?

The bottom bracket shell of a bicycle is the part of the frame where the spindle of the cranks go through. The bottom bracket and spindle together form the foundation of the drivetrain on your road bike or mountain bike. The bottom bracket bearings are sometimes referred to as just the bottom bracket as well.

Which side of a bottom bracket goes in first?

Put plenty of grease on the threads of the bottom bracket. The new BB will have a removable side which will typically be on the non-drive side. Remove this and slide the unit in drive side first. This side tightens anti-clockwise.

What kind of bottom bracket does Campagnolo use?

Campagnolo’s threaded bottom brackets were supplied in a variety of group sets over the years including their premium offerings; Nuovo Record, Super Record and C-Record from the 1960’s to 1980’s.

Where do the bearings go on a Campagnolo bike?

The Campagnolo® Ultra-Torque® system integrates both the spindle and bearings into the arms. The cups are installed in the bike without cartridge bearings. The bearings are pressed to the crank spindle. When the cranks are removed, the bearings come with the arms. The bearings are removed from the bike after the cranks are removed.

How do you install a Campagnolo power torque crank?

It is Campagnolo’s intention that this entire cup with bearing should be replaced when bearing is worn out. Both the aluminum and carbon cranks share the same installation procedure. Install crank through right side bearing. Install C-clip into pin holes of right side cup. Install pre-load spring and seal cover over left side bearing.

What’s the right side of a Campagnolo BB Cup?

Right image is the right (drive) side BB cup. Campagnolo bottom bracket’s were usually supplied with a set of dust sleeves to protect the bearings from contaminents, however as they can degrade or were lost over time you may not have them.