FSA NO.55R Headset 1-1/8" to 1.5" OD61mm MPFN-210-0007251900 B17 Carved features the central

B17 Carved features the central cut-out first designed by Brooks over 100 years ago

Tooth Count 38 Ring Position/Type Single Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Material Aluminum

9 TT (Effective) 528 Brake Type Rim Fork Material Steel Fork Type Rigid

2mm Length 100 Bar Clamp Diameter 26 Angle -18� Color Black Material AL6061-T6 Finish Polished Quill Length 150mm Fork Compatibility 1`

External shifter cable routing internal brake routing

FSA NO.55R Headset 1-1/8" to 1.5" OD61mm MPFN-210-0007251900 B17 Carved features the centralFSA NO. 55R Headset 1 1 8" to 1. 5" OD61mm. The FSA NO. 55R headset is designed for integrated cable routing systems offering a clean aesthetic and smooth steering performance. Compatible with a wide range of road and MTB frames it supports fully internal cable setups. This headset is ideal for modern builds prioritizing both function and form.