SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring MFPN=BT-78 }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 434

model OneUp description 44t ratchets

They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability

}Cane Creek ZN40-Bearing 52mm Zinc Plated Each

Tread pattern designed for versatility

SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring MFPN=BT-78 }Wheels Manufacturing Derailleur Hanger -SRAM Truvativ X0 X9 39T 120mm BB30 Chainring. Original equipment on SRAM and Truvativ cranks they also work well with other drive trains. Supplied in TruVativ packaging TECH SPECS Tooth Count 39 Ring Position Type Outer Drivetrain Speeds 10 Chainring BCD 120 Color Black Defined Color Black Material Aluminum