Brake disc spacer with aluminum alloy screw. Fits most mountain bikes.

Product Size: The product has a hole spacing of 44 mm, a hole diameter of 5.5 mm, an outer diameter of 54.8 mm, and a thickness of 2 mm. Measurements are taken manually, so the dimensions may vary slightly.
Applicability: This product is suitable for most mountain bikes.
Product Function: This product can be used to optimize chainring spacing on mountain bikes.
Easy to Install: It can be directly replaced without adjustment, offering perfect compatibility and high reliability.
Product Material: This product is specially designed and manufactured from aluminum alloy, ensuring a long lifespan and resistance to damage.