Description
Product Overview
The Aynaxcol rear disc brake assembly is engineered for powersports enthusiasts who demand reliable stopping power and straightforward installation. Constructed from high‑grade aluminum, the caliper housing resists corrosion and heat deformation. The package includes a rear disc brake assembly with a pre‑installed brake pad, a 21.5‑inch (550 mm) brake tubing, and precise mounting holes spaced 2.5 in (63 mm) apart. Designed for bikes with a 15 mm rear wheel shaft, this kit ensures a perfect fit and optimal brake performance.
![[Product front view showing all components]](https://www.citydeal.store/wp-content/uploads/2026/06/e35fbc6b75f14722bfaeda2a91210f91.jpg)
Usage
Ideal for off‑road motorcycles, ATVs, and other powersports vehicles, this brake assembly excels in demanding environments such as trail riding, racing, and daily commuting. The robust construction handles repeated braking cycles, while the included pad provides immediate grip. Users should verify shaft size before purchase to ensure compatibility with 15 mm rear wheel shafts.
Why Choose Us
Aynaxcol combines decades of engineering expertise with rigorous quality control, delivering a brake system that meets OEM standards. Each component undergoes corrosion testing and dimensional verification, guaranteeing a seamless fit and consistent performance. Our dedicated support team offers installation guidance and after‑sales assistance, ensuring confidence from purchase through the life of the product.
Key Features
- Aluminum caliper housing provides lightweight strength and heat resistance.
- Pre‑installed brake pad delivers immediate stopping power out of the box.
- 21.5‑inch (550 mm) brake tubing offers ample reach for most rear setups.
- Precise 2.5‑inch (63 mm) central spacing ensures easy alignment with the caliper mount.
- Comprehensive customer support and warranty for peace of mind.
FAQ
Will this brake assembly fit a bike with a 12mm rear shaft?
No, this kit is specifically designed for a 15mm rear wheel shaft. Using it on a 12mm shaft may result in improper fit and reduced braking performance.
Do I need to purchase brake pads separately?
No, the package includes one rear disc brake assembly with a brake pad already installed, ready for immediate use.
What is the length of the brake tubing?
The brake tubing measures 21.5 inches (550 mm), providing sufficient length for most rear brake configurations.
Can I install this kit myself?
Yes, the kit is designed for straightforward installation. However, we recommend confirming shaft size and following the included instructions or consulting a professional mechanic.
Is there a warranty on this product?
Yes, Aynaxcol offers a limited warranty covering manufacturing defects. Contact our support team for details and assistance.




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