CeramicSpeed OSPW Pulley Wheel System Shimano 9000/6800 Series - Alloy Pulley Carbon Cage BLK MFPN=47370 CHAINRING: SRAM RIVAL 1 38T MFPN=6228

CeramicSpeed OSPW Pulley Wheel System Shimano 9000 6800 Series Alloy Pulley Carbon Cage BLK MFPN=47370 CHAINRING: SRAM RIVAL 1 38T MFPN=6228 CHAINRING: SRAM RIVAL 1 38T While DUB has been simplifying the game eliminating compatibility frustration and confusion for years the DUB ceramic bottom bracket gives riders an additional option for even more silky smooth performance Robust cage crafted from polyamide and carbon fiber for durability and light weight Defined Color Black Drivetrain Speeds 10 Fits Brand Shimano Fits Model Dura Ace 7900 7970 9000 9070 Largest Cog 28 keyword search OSPWS Features two oversized 17 tooth aluminum pulley wheels with Grade 3 Silicon Nitride balls