American classic bottom bracket french thread

Duration: 13min 28sec Views: 1912 Submitted: 09.12.2020
Category: Casting
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Bottom bracket

Bottom Bracket Cup Removal Direction, British, French, Italian

Many wonderful bikes have been made in France in past decades. High-end French bikes often used relatively lightweight tubing and a geometry with relatively low trail, which made them perform and handle very well. Even though the world has adopted the metric system with the exception of one rather large country , the bike industry has standardized on British units for most components. This means that finding parts for French bikes can be difficult. For stems, the difference is small You can lightly sand a modern stem, and it will fit into the steerer tube.

SKF Bottom Brackets with French Threads

The bottom bracket on a bicycle connects the crankset chainset to the bicycle and allows the crankset to rotate freely. It contains a spindle to which the crankset attaches, and the bearings that allow the spindle and cranks to rotate. The chainrings and pedals attach to the cranks. Bottom bracket bearings fit inside the bottom bracket shell , which connects the seat tube , down tube and chain stays as part of the bicycle frame. The term "bracket" refers to the tube fittings that are used to hold frame tubes together in lugged steel frames [1] which also form the shell that contains the spindle and bearings; the term is now used for all frames, bracketed or not.
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