Park Tool FR-5.2G Cassette Lockring Tool with 5mm Guide Pin | Contender Bicycles
SKU: J610443
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Park Tool FR-5.2G Cassette Lockring Tool with 5mm Guide Pin

$10.95
$10.95 $10.95
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Product Details

The FR-5.2G offers the same dependable design as the FR-5.2, with the addition of a 5 mm guide pin to enhance stability when used with quick-release hubs. This tool is designed to fit the most common 7-to-12 speed cassette lockrings, including those from Shimano, SRAM, and others. It is also compatible with disc brake lockrings and lockring adapters featuring 12 internal splines.

The FR-5.2G is a reliable and precise tool, ideal for mechanics and riders who frequently service cassettes and disc brake systems.

Key Features:

  • Enhanced Stability: 5 mm guide pin helps align and stabilize the tool during use
  • Wide Compatibility: Works with 7-to-12-speed cassette lockrings and disc brake lockrings
  • Thin Wall Construction: Allows use without removing cones and locknuts
  • Hexagonal Base: 1" hex base compatible with sockets, wrenches, or a bench vise
  • Durable Material: Heat-treated alloy tool steel ensures long-lasting performance


  • Fits 12-spline tool fittings with an approximate outer diameter of 23.4 mm including:
    • Cassette lockrings from Shimano, SRAM (including 1x), SunRace, SunTour, Chris King and others
    • Disc brake lockrings and lockring adapters with 12 internal splines from Shimano and other brands
    • Top cap of some Rock Shox suspension fork models including Pike, Lyrik, SID, Revelation, Reba, and Paragon
  • Center bore for axle clearance is 12 mm.
  • 1" hexagonal base can be used with 1" socket or wrench.

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