SRAM

 Apex 1/NX Pair

 Eagle XX1/X01 X-Sync Pulley set 12sp Pair

 Sram Pulley set Pair Force/Rival/Apex

 Force/Rival 22 Pair

 GX 2x11 Pair

 GX Eagle Pair

 GX Eagle w/Inner Cage Pair

 Red eTap 11sp Pair

 Ceramic pulley set for Sram Red AXS eTap 12s  Reduce friction, increase stiffness, decrease weight, and add durability Grease is optimized for low friction and maximum longevity Red AXS eTap 12sp Pair Red AXS eTap

 Sram Pulley set Pair X0 (`05-`07), X9 Short (`07-`09), X7 Short (`08-`0

 X-Sync Pulley Set Pair X01/X01DH/X1/CX1

 X5 9/10sp Pair

 Sram Pulley set Pair X7 (`04-`09), SX5, X5 (`08-`09)

 Sram Pulley set Pair X9 Med/Long (`05-`09)

 Sram Pulley set Pair X9/X7 (`10-`11)

 X9/X7/GX Pair

 XO Pair

 Sram Pulley set Pair X0 (`08-`11)

 Sram XX1 11sp Pair XX1