Ritchey Comp Logic Headset ZS44/28.6-ZS55/40 1.5" Blk Fits Brand-Columbus Uses BB tool compatible with

Uses BB tool compatible with 16 notch x 48

Compatible with 12-speed SRAM Eagle KMC SRAM Road and SRAM T-Type Transmission flattop chains

Intended use: dirt flat park street Color Black Defined Color Black Flat Protection Tread ISO Diameter 451/ 20 x 1-1/8"

the Micro Floor Drive HP is optimized for high-pressure applications and features a lightweight CNC-machined aluminum barrel

Sleek compact lightweight design

Ritchey Comp Logic Headset ZS44/28.6-ZS55/40 1.5" Blk Fits Brand-Columbus Uses BB tool compatible withSteel semi cartridge bearing for smooth rolling durability and long life Model Comp S. H. I. S. ZS44 28. 6 ZS55 40 Stack 11. 6mm Color Black Weight 103g