FORK OIL SEAL SET ALLBALLS, ALLBALLS 55-157

This All Balls fork seal-only kit (Part No. 55-157) offers a premium solution for maintaining optimal fork performance across a wide range of high-performance Aprilia, Ducati, and Yamaha models. Engineered with a specialised seal profile to equalise pressure across the seal lips, this kit ensures reduced drag, longer service life, and consistent oil retention. Dyno-tested to last 3 to 4 times longer than OEM seals, it is designed for both durability and easy installation.

Features

• Equalised seal lip pressure reduces drag and enhances seal longevity

• Maintains secure oil levels and minimises stiction in fork tubes

• High-quality OE-style replacement seals

• Dyno-tested to outperform OEM seals 3 to 4 times in service life

• Directional ribs for accurate and easy installation

• Sold in pairs

Specifications

• Part number: 55-157

• Type: Fork seal only

• Quantity: 2 seals (pair)

Vehicle Fitments

• Aprilia
  RSV4 Factory 2009–2015
  RSV4 RF 2016–2018
  RSVR 2006–2008
  Tuono 1100 V4 2016–2018

• Ducati
  1098 R 2008
  1098 R Bayliss 2009
  1098 S 2007–2008
  1098 S Tricolore 2007–2008
  1198 R 2010
  1198 R Corse 2010
  1198 S 2009–2010
  1198 S Corse 2010
  1198 SP 2011
  749 R 2004–2006
  749 S 2004–2006
  996 R 2001
  996 S 2000–2001
  998 S Biposto 2004
  998 S Bostrom 2002
  998 S Monoposto 2004
  999 R 2004–2006
  999 R Xerox 2006
  999 S 2003–2006
  999 S Team USA 2007
  Monster 1100 S 2009–2010
  Monster S4R 2007
  Monster S4RS 2006–2007
  Monster S4RS Tricolore 2008
  Multistrada 1000 S 2005–2006
  Multistrada 1100 S 2007–2009
  Multistrada 1200 S Pikes Peak 2012
  Multistrada 1200 S Sport 2012
  Multistrada 1200 S Touring 2012
  Panigale 1199 R 2014
  Panigale 1199 S 2012–2014
  Panigale 1199 S Tricolore 2012–2013
  Panigale 1299 R 2015–2017
  Panigale 1299 S 2015–2017
  ST4 2003
  ST4 S 2002–2005
  Streetfighter S 2010–2012

• Yamaha
  YZF-R1 2019
  YZF-R1M 2015–2022