Shimano ST-R7170 Joint Support Ring Description:
The Shimano ST-R7170 Joint Support Ring is a factory replacement part for a component found within assorted road and gravel bike brake/shift lever assemblies. This ring reinforces the junction of the hydraulic master cylinder outlet where the hydraulic hose is joined to it.
Features:
- Reinforcement ring for road and gravel style brake/shift levers that are for use with hydraulic brakes
- Each order will include one (1) Joint Support Ring
- See compatibility tab for full list of compatible brake/shift levers















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