Top Pull Front Derailleur Cable Routing

Z pull adjustment of cable tension 1 chain position a b set the chain on to the largest sprocket at the rear and at the front shift the chain to the smallest chainring and then back to the largest chainring.

Top pull front derailleur cable routing.

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 kicked up by the front tire. Adjustment of cable tension 1. Shop with confidence on ebay. Adjust using the cable adjustment barrel so that the clearance between the chain guide inner plate and the chain is 0 0 5mm.

I ll list the golden rules of housing and cable routing that should be read like the gospel. Road fd s are usually designed with bottom pull the traditional way. Set the chain to the largest rear sprocket and shift to the largest chainring. Cable re secure to the front derailleur as shown in the illustration.

That is when the first top pull fd s emerged. So quick and light shifting is possible. 1 pull top route type 1 pull. The niner frame has a cable guide about 12 above the derailleur and looks like it is intended to have exposed cable down to the derailleur but there s no guide on the derailleur to mount the cable to so if i did a direct mount from the cable guide the entire cable would swing out.

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. If your cable routing follows the top tube and then drops down to the front derailleur it s a top pull. Hi i have a 2012 niner emr frame i m building with an old 3x9 xt gearset. Shimano s table for optimal rear derailleur cable housing length 7 5.

Golden rules of housing and cable routing. Top pull derailleurs refer to the cable being pulled from the top. Chain position a largest sprocket b largest chainring. Nowadays mtb derailleurs are often double pull designed so they can work with both bottom and top pull cable routing.

Some older designs use a loop of cable housing running from a stop near the bottom of the down tube. Shop from the world s largest selection and best deals for front derailleurs. Top pull derailers are operated by a cable running down from above. Cable routing for front derailleur top pull on niner emr.

Why is this the best way to do it.