STONE Chainring Decoration Bolts Cover for Sram Rival BCD107 12-Speed Crankset Road Bike Single Chainring Decor Caps

Brand: STONE

Product Name:SRAM 107bcd Rival 1x Chainring Bolt Covers

Material: Al7075-T651, CNC-machined

Compatibility:

Compatible with SRAM Rival 107 BCD 12-speed cranks. 1x (single chainring) only; not compatible with double chainring setups.

Installation Instructions:

1.Can be installed on 4 mm-thick narrow-wide single chainrings; double chainrings are not supported.

2.Clean the crank mounting area to ensure it is free of oil and dust.

3.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.

4.Align the screw holes and lightly tighten with an internal hex wrench.

Color: Black

Weight: Approx. 28 g (bolt covers + screws)

Function:

Covers exposed bolts and spindle ends to prevent dust and dirt, helping extend component service life.

Advantages:

Dust- and dirt-resistant

Strong and durable

Lightweight and clean appearance

Easy installation

STONE — Race-Ready Precision

Trusted by riders worldwide and favored by EU & USA race teams, STONE is built for high-load riding and competitive performance.

Using aerospace-grade 7075-T651 aluminum from Alcoa and Aleris, STONE achieves exceptional stiffness and durability, with a tested lifespan of up to 15,000 km.
High-precision CNC machining within 0.03 mm tolerance guarantees efficient power transfer, minimal noise, and stable shifting under pressure.

Engineered for racing. Proven on the road.