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The shape of the FR-7 looks similar to the FR-1 (for Shimano , Sun Race , Sachs and similar freewheels) One-inch base fits end of SR-1, FRW-1 park tools Thin Wall Design Allows use Without Removal of Cones and Locknuts
The shape of the FR-7 looks similar to the FR-1 (for Shimano , Sun Race , Sachs and similar freewheels) One-inch base fits end of SR-1, FRW-1 park tools Thin Wall Design Allows use Without Removal of Cones and Locknuts