The entire S3 team will be on Christmas holidays from December 24th to January 7th, 2026, inclusive. Orders received during this period will be shipped starting January 8th, 2026. Thank you for your understanding, and we wish you a Merry Christmas and a Happy New Year.

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PISTON OSSA

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Info
PI-BE-TR125-A
PI-BE-TR125-A

PISTON S3 RACING BETA 125 A

Piston: A, Piston: A (Flat), Ø: 53,96
Suitable for:
OSSA
TRI 125 2010 to current
PI-BE-TR125-B
PI-BE-TR125-B

PISTON S3 RACING BETA 125 B

Piston: B, Piston: B (Flat), Ø: 53,97
Suitable for:
OSSA
TRI 125 2010 to current
PI-1035-A
PI-1035-A

PISTON S3 TRIAL RACING FORGED 250 A

Piston: A, Ø: 72,460
Suitable for:
OSSA
TRI 250 2010 to current
PI-1035-B
PI-1035-B

PISTON S3 TRIAL RACING FORGED 250 B

Piston: B, Ø: 72,470
Suitable for:
OSSA
TRI 250 2010 to current
PI-1035-C
PI-1035-C

PISTON S3 TRIAL RACING FORGED 250 C

Piston: C, Ø: 72,480
Suitable for:
OSSA
TRI 250 2010 to current
PI-1280-A
PI-1280-A

PISTON S3 TRIAL RACING FORGED 280 A

Piston: A, Ø: 75,965
Suitable for:
OSSA
TRI 280 2011 to 2017
PI-1280-B
PI-1280-B

PISTON S3 TRIAL RACING FORGED 280 B

Piston: B, Ø: 75,975
Suitable for:
OSSA
TRI 280 2011 to 2017
PI-1280-C
PI-1280-C

PISTON S3 TRIAL RACING FORGED 280 C

Piston: C, Ø: 75,985
Suitable for:
OSSA
TRI 280 2011 to 2017
PI-1300-A
PI-1300-A

PISTON S3 TRIAL RACING FORGED 300 A

Piston: A, Ø: 78,950
Suitable for:
OSSA
TRI 300 2010 to current
PI-1300-B
PI-1300-B

PISTON S3 TRIAL RACING FORGED 300 B

Piston: B, Ø: 78,960
Suitable for:
OSSA
TRI 300 2012 to current
PI-1300-C
PI-1300-C

PISTON S3 TRIAL RACING FORGED 300 C

Piston: C, Ø: 78,970
Suitable for:
OSSA
TRI 300 2012 to current
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PISTON OSSA

PI-OS-X

Materiel & traitement:
• Alliage d'aluminium-Silicium top qualité
• Forgé ou de fonderie
• Traitement Bisulfure de Molydene pour limiter la friction
• Segement en Acier NItruré

Les plus:
• Très léger et resistant
• Réductions des vibrations moteur
• Reprise rapide et franche

Le kit piston est composé de :
• 1 piston
• 2 segements
• 1 Axe
• 2 C-clips

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