PRODUCT DETAILS
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 * 1mm, and 1 * 0.5mm for a total of 6.5mm which along with the Crupi cog covers the driver completely.
PRODUCT DETAILS
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 * 1mm, and 1 * 0.5mm for a total of 6.5mm which along with the Crupi cog covers the driver completely.