CRUPI REAR HUB LOCK RING & SPACER KIT

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Crupi Hub Lock Rings are Shimano compatible and require a Park F-R5 lock ring tool. Now available in black. A full set of spacers are included consisting of 1 * 3mm, 1 * 2mm, 1 * 1 mm, and 1 * 0.5mm for a total of 6.5mm which along with the Crupi cog covers the driver completely. Show more