STONE Chainring Bolt Cover Caps for SRAM Rival 107BCD
STONE chainring bolt cover caps are designed for SRAM Rival 107BCD 12-speed cranksets with 1x single chainring setup.
Product Information
- Brand: STONE
- Material: Al7075-T651 aluminum, CNC-machined
- Color: Black
- Weight: Approx. 28g, including bolt covers and screws
Compatibility
Compatible with SRAM Rival 107BCD 12-speed cranks.
1x single chainring setup only.
Not compatible with double chainring setups.
Can be installed on 4mm-thick narrow-wide single chainrings.
Function
Covers exposed bolts and spindle ends to help prevent dust and dirt buildup, helping extend component service life.
Advantages
- Dust- and dirt-resistant
- Strong and durable
- Lightweight and clean appearance
- Easy installation
Installation Instructions
- Can be installed on 4mm-thick narrow-wide single chainrings. Double chainrings are not supported.
- Clean the crank mounting area to ensure it is free of oil and dust.
- The four bolt covers have different dimensions corresponding to different crank arm positions. If a cover does not fit, swap positions. After all four covers are seated, tighten the screws diagonally.
- Align the screw holes and lightly tighten with an internal hex wrench.



