Top Pull Front Derailleur Cable Routing
Traditional front derailers are bottom pull operated by a cable running up from the bottom bracket area to the derailer.
Top pull front derailleur cable routing. Some work either way and are called dual pull. So quick and light shifting is possible. This design is mainly used on mountain bikes with the intent of avoiding running the cable under the bottom bracket where it is exposed to spray. With these derailleurs the front derailleur cable housing has a stop on the derailleur itself or seems to as fas as i can tell from pics and feeds into the front derailleur horizontally not vertically.
They are called top pull and bottom pull respectively. Here are our latest and greatest hacks for getting the job done. Home technology components details top swing front derailleur top swing front derailleur because the moving pivot section is set at a higher position and combined with a shorter link the rigidity is higher. Bikes with internal cables can be notoriously difficult to service.
If your cable routing follows the top tube and then drops down to the front derailleur it s a top pull. Top pull derailleurs refer to the cable being pulled from the top. The new xt and xtr front derailleurs use something shimano calls side swing which seems to be intended for full sus mtbs.