FSA Impact Pro IS42 headset
The Impact Pro headset features integrated sealed cartridge bearings that fit directly into the head tube of any frame using 42mm 45°/ 45° bearings.
Examples: pre-2015 Cinelli Vigorelli, MASH Histogram & MASH Bolt, Breakbrake17 Transfer, pre-2020 Affinity Kissena.
ⓘ Integrated bearings fit directly into compatible head tubes without the need of a bearing press.
Specifications
• 1 1/8" integrated
• 45°/ 45° IS42 angular contact bearings (Campy compatible)
• alloy top cap/steel star nut assembly
• 7075 AL crown race
• stack height: 9.4mm
• weight: 64g
Product Information
Product Information
Shipping & Returns
Shipping & Returns

FSA Impact Pro IS42 headset
FSA Impact Pro IS42 headset
The Impact Pro headset features integrated sealed cartridge bearings that fit directly into the head tube of any frame using 42mm 45°/ 45° bearings.
Examples: pre-2015 Cinelli Vigorelli, MASH Histogram & MASH Bolt, Breakbrake17 Transfer, pre-2020 Affinity Kissena.
ⓘ Integrated bearings fit directly into compatible head tubes without the need of a bearing press.
Specifications
• 1 1/8" integrated
• 45°/ 45° IS42 angular contact bearings (Campy compatible)
• alloy top cap/steel star nut assembly
• 7075 AL crown race
• stack height: 9.4mm
• weight: 64g
Original: $39.99
-65%$39.99
$14.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Impact Pro headset features integrated sealed cartridge bearings that fit directly into the head tube of any frame using 42mm 45°/ 45° bearings.
Examples: pre-2015 Cinelli Vigorelli, MASH Histogram & MASH Bolt, Breakbrake17 Transfer, pre-2020 Affinity Kissena.
ⓘ Integrated bearings fit directly into compatible head tubes without the need of a bearing press.
Specifications
• 1 1/8" integrated
• 45°/ 45° IS42 angular contact bearings (Campy compatible)
• alloy top cap/steel star nut assembly
• 7075 AL crown race
• stack height: 9.4mm
• weight: 64g




















