The Shimano ST-R7170 Bracket Cover Pair is a set of replacement rubber hoods (lever covers) for Shimano’s 105 R7100 hydraulic Di2 road shifters.
Shimano ST-R7170 Bracket Cover Pair (105 R7100 Di2)
What it is
This is:
- a pair of lever hoods (left + right)
- designed specifically for Shimano ST-R7170
- part of the Shimano 105 R7100 Di2 hydraulic road system
It is Shimano’s OEM replacement grip/rubber cover set for those levers.
Key features
- Exact fit for ST-R7170 hydraulic Di2 STI levers
- Soft-touch ergonomic rubber compound
- Textured surface for better grip in wet conditions
- Protects internal lever body from dirt, sweat, and impacts
- Sold as a matched pair (both levers)
Compatibility (important)
Fits ONLY:
- ST-R7170 (105 R7100 Di2 hydraulic)
Not compatible with:
- ST-R8170 (Ultegra Di2)
- older 11-speed Di2 levers
- mechanical 105 / Ultegra levers
Shimano hood shapes are model-specific, even if they look similar.
When to replace them
Replace if:
- rubber is torn or stretched
- surface becomes shiny/slippery
- fit becomes loose on the lever body
- crash damage occurs
Ride feel
- restores original Shimano grip feel
- improves comfort on long rides
- better control in wet or rough conditions
- reduces hand fatigue compared to worn hoods
Bottom line
The Shimano ST-R7170 bracket cover pair is a precision-fit replacement hood set for 105 R7100 Di2 hydraulic road levers, designed to restore grip, comfort, and protection while maintaining the original factory ergonomics of the brake/shift system.
