FIRST S40F IS42/IS52 HSET BLK

FIRST S40F IS42/IS52 TAPERED HEADSET

 

• A premium threadless/Ahead integrated headset to fit modern bikes with a 41.8/51.8mm OD bearing seat and tapered 1-1/2” – 1-1/8” steerer
• Alloy cap/topcap w/ ACB sealed cartridge bearings (Upper = 45°x45° / Lower = 36°x45°)
• IS42/28.6 – IS52/40
• Black