Superfeet Green Foot Bed Insole Size C (M 5.5-7 W 6.5-8) Crank-FD Type-Mountain Double Use of a clutch-style rear FK0604 Size:LV Low Volume 50/40t Engineered

Superfeet Green Foot Bed Insole Size C (M 5.5 7 W 6.5 8) Crank FD Type Mountain Double Use of a clutch style rear FK0604 Size:LV Low Volume 50 40t Engineered Use of a clutch style rear derailleur is recommended Tooth Count 30 Drivetrain Speeds 9 Round or Oval Oval Offset 6 Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount CINCH Size 30T Mounting Type Standard more durable crankset 29 g lighter than the previous generation Crisp and accurate front shifts Ultra light hollow carbon fiber crankarms DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC RED E1