Description
Product Overview
The MWMNUN rear disc brake caliper is engineered for mini dirt bikes, pocket bikes and stand‑up scooters such as the Predator 212, MM‑B80, Motovox MBX series and similar 47‑49cc models. Constructed from semi‑metallic material, the caliper delivers consistent friction and heat resistance. The package includes one right‑hand caliper, a matched pair of brake pads, two mounting screws, two washers and an Allen key for straightforward installation. Dimensions are detailed in the product images to ensure a perfect fit.
Usage
Ideal for off‑road riding, track days, and everyday commuting on small motorcycles and scooters. The caliper’s robust design handles the rapid acceleration and sudden stops typical of 80cc engines, providing reliable control on dirt, gravel and paved surfaces. Suitable for both hobbyists performing DIY maintenance and professional mechanics servicing multiple bikes.
Why Choose Us
MWMNUN is known for delivering high‑quality replacement parts that meet OEM specifications. Each caliper undergoes strict quality checks to guarantee dimensional accuracy and material integrity. Our after‑sales support includes direct assistance for fitment questions, ensuring you receive the right part the first time.
Key Features
- Precise OEM fit for Predator 212 and compatible 47‑49cc bikes
- Semi‑metallic brake pads offer strong, consistent stopping power
- Complete installation kit includes screws, washers and an Allen key
- Lightweight design (8.8 oz) reduces unsprung weight for better handling
- Responsive customer support for fitment and warranty inquiries
FAQ
Is this caliper for the left side of the bike?
No, this item is the right‑hand rear caliper. The left side uses a mirrored component.
Will it fit other 80cc models not listed?
It fits most 47‑49cc mini dirt bikes with a standard rear disc setup. Verify the mounting bolt pattern in the images.
Do I need additional tools to install?
The package includes an Allen key for the mounting screws; a standard socket set is sufficient for the remaining bolts.
How often should the brake pads be replaced?
Replace pads when thickness reaches 1 mm or if you notice reduced braking performance.
What warranty does MWMNUN provide?
All calipers come with a 12‑month limited warranty covering manufacturing defects.




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