Descrição
FSA NO.55 SX Pro Headset
Semi-integrated SX Pro headset from FSA for tapered head tube 1 1/8″ – 1 1/2″ (ZS44 – ZS55) with 1 1/8″ fork taper and 5 mm high aluminum cap. Ready for modern bikes with an outer head tube of 50 mm at the top and 61 mm at the bottom. The fork taper is for forks with a continuous 1 1/8″ steerer tube.
Product features – FSA SX Pro No.55-I
- Model: Headset SX Pro No.55-I 1 1/8″-1.5″ ZS44 – ZS55 (Tapered 1 1/8″ – 1 1/2″ semi-integrated)
- Type: Semi-integrated (ZS)
- Head tube: Tapered 1 1/8″- 1 1/2″ with reducing cone for 1 1/8″ steerer tube
- Top cap: 5mm
- Bearing type top/bottom: ACB 36°/45° – ACB 36°/45°
- Inner Ø head tube top/bottom : 44mm / 55mm
- Outer Ø head tube top/bottom : 50mm / 61mm
- Bearing: Industrial ball bearing
- Top bearing:
- 1 1/8″ bearing cup – ZS44
- 1 1/8″ / 36°x45° – IS41
- Outer diameter: 41mm
- Bearing height: 6.5mm
- Cup height: 8mm
- Bearing bottom:
- 1 1/2″ bearing cup – ZS55
- 1 1/2″ / 36°x45° – IS52
- Outer diameter: 51.9mm
- Bearing height: 8mm
- Height bearing shell ZS55: 12.5mm
- Reducing cone: 1 1/8″
Material
- Cap: Aluminum
- Bearing : Stainless steel
- Bearing shell: Aluminum
- Fork con e: Steel
Color: black
- black color
Weight
- approx. 110g (with fork cone 141g)
Scope of delivery
- 1 x FSA SX Pro No.55-I headset incl. claw nut
130-0002018010
4712865850596
FULL SPEED AHEAD Europe
Via del Lavoro, 56
20874 Busnago (MB)
Italy
https://www.fullspeedahead.com/de/








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