First Generation Derailleur Pulleys for SRAM 2x MTB 10speed - Hybrid Ceramic BOTTOM BRACKETS Important Fitment Notes**

Important Fitment Notes**

Ultegra R8000 and 105 R7000

Here is a video explaining how to get it just right

choose a standard PF30 bottom bracket

First Generation Derailleur Pulleys for SRAM 2x MTB 10speed - Hybrid Ceramic BOTTOM BRACKETS Important Fitment Notes**These pulleys spin on Grade 3, Abec 5 hybrid ceramic bearings. The same bearings as our bottom brackets. Choose road bearings for lowest friction on road bikes or cross bearings if durability is key (that's for you, cross and gravel racers). The wheels are made of aluminum, which will make them more resistant to wear in muddy conditions. Out of the box, these pulleys will fit on: Shimano road and MTB 10 and 11 speed Campagnolo 11 speed Sram 2x MTB