The Shop Standard For Cassette Installation & Removal
The Park Tool FR-5.2 Cassette Lockring Tool is a tough, shop-quality tool which removes or tightens Shimano, SRAM, SunRace, SunTour, Chris King, and other 12-spline cassette lockrings. The FR-5.2 design is updated over the previous FR-5 to be compatible with Shimano disc-brake lockrings.
Park tool is the industry standard for quality bike tools. Whether you’re simply fixing a flat or disassembling your entire bike, Park Tool has the tool for you.
Features:
- Center bore for axle clearance is 12mm
- Designed for use with 12-spline cassette lockrings
- Base size for socket or wrench is 1″ / 25.4mm
- Always use a skewer or axle nut to hold tool firmly in place during removal/installation
- Fits Shimano, SRAM (Including 1x), SunRace, SunTour, Chris King and other cassette lockrings
- Also fits Shimano disc brake lockrings
- Chain whip also required for cassette removal
The product weight specified is an approximate weight based on the manufacturer’s specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Specifications
| Weight: 0 grams | |
| Mfg PartNum: FR-5 |



















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