Are all derailleur pulleys the same?
The pulleys that will actually fit on your derailleur are determined by the generation of your group set. This is a number stamped on every part and goes by a four digit number. For instance any number between 9100 and 9199 indicates the latest generation Dura Ace.
Does derailleur pulley size matter?
Pro road racers who use Berner’s uniquely oversized rear derailleur cages have sworn time and again that they reduce drivetrain friction thanks to their humongous 15-tooth pulleys.
Which is the G pulley on rear derailleur?
The ‘G’ or guide pulley, sometimes called the centeron pulley goes in the top position closest to the cassette. Most can go either way around but some have a certain direction of rotation, if that’s the case with yours they will have a direction arrow on them.
What is the advantage of oversize pulley?
But oversize pulley wheels actually offer enough of an advantage in wattage savings that it may be worth sacrificing style. The big idea here is to reduce friction in the drivetrain. Fewer watts wasted as you pedal mean more efficiency and speed.
Are jockey wheels interchangeable?
Stick with the same number of teeth as your existing jockey wheels. Stick with jockey wheels for the relevant 8/9/10 etc speed designation of your derailleur. Many jockey wheels are universal, a few are brand or possibly even mech specific.
What is the difference between an 11t and a 13T pulley?
The outer diameter of 11t and 13t pulleys from the same manufacturer is 41 vs 50 mm. That means that the chain will run 4.5mm further away from the center. Edit3: The upper pulley can not be 13t on this derailleur without removing the little flap to the lower right of the pulley, shown in the picture.
Which pulleys should I use with my derailleur?
Your choice is simple; use the 11 tooth pulleys with cross seals. Sram road groupos that use a front derailleur are an easy selection, both the 10 and 11 speed sets work with the hybrid ceramic pulleys or the Not For Instagram set. The Oversized Pulleys will fit on the long cage Wifli derailleurs, but not on the short cage.
What are the different types of bike pulleys?
The monikers for different price and quality of group sets has not changed in many years: everybody knows Dura Ace, Ultegra and 105 for road bikes and XTR, XT and SLX for mountain bikes. The pulleys that will actually fit on your derailleur are determined by the generation of your group set.
Will the oversized pulleys fit on the WiFLi derailleurs?
The Oversized Pulleys will fit on the long cage Wifli derailleurs, but not on the short cage. The Flattop chain used is these road groups has a very narrow internal width. Our Gen2 pulleys work well with it.