MUC-OFF VALVES BIG BORE LARGE 45mm

Product Overview

Engineered for maximum airflow and ultimate durability, the MUC-OFF Big Bore Tubeless Valves (Large 45mm)are built to keep up with aggressive riders and high-performance setups. Whether you’re hitting downhill lines, enduro stages, or trail shredding on your tubeless MTB, these valves are designed to deliver more air, faster — making inflation a breeze.

At WINRIDER, we only stock products trusted by elite riders. These 45mm Big Bore valves are the go-to choice for riders running high-volume tires who need fast, efficient airflow during inflation and trail-side repairs. Explore more in our accessories collection.

Key Features

• Oversized bore design: Provides significantly higher airflow than standard Presta valves – perfect for rapid inflation.

• CNC-machined 7075 aluminum construction: Built tough, feather-light, and corrosion-resistant.

• 45mm length: Compatible with mid-depth rims and high-volume MTB setups.

• Tubeless optimized: Ensures reliable sealing and easy inflation of tubeless tires.

• Interchangeable rubber bases: Includes multiple rubber inserts for a custom, airtight fit on a variety of rim shapes.

• Removable valve core: Allows for effortless sealant injection and cleaning.

• Anodized black finish with Muc-Off branding: Sleek, stealthy, and ready to perform.

Why Choose MUC-OFF Big Bore Valves?

💨 Faster Airflow = Faster Setups
The oversized bore moves more air into your tire, reducing inflation time and making it easier to seat tubeless beads — especially with stubborn high-volume MTB tires.

💪 Built to Withstand Punishing Trails
Made from military-grade 7075 aluminum, these valves can handle the vibrations, rock strikes, and abuse of technical terrain.

🔧 User-Friendly Installation
Swappable rubber inserts ensure compatibility with various rim profiles, and the included valve core remover makes maintenance quick and simple.

Technical Specifications

• Valve Type:  Big Bore

• Length: 45mm

• Material: CNC-machined 7075 aluminum

• Core: Removable

• Compatibility: Tubeless MTB, gravel, and trail rims

Ideal For

• Mountain bikers running tubeless setups

• Enduro & downhill riders needing faster inflation

• Riders using tire inserts or high-volume tires

• Anyone tired of clogged or restricted valves

Rider Reviews

⭐️⭐️⭐️⭐️⭐️
"Massive difference in airflow. These are a must-have if you're running tubeless MTB tires – setup was faster and easier than ever."
– Jenna R., Enduro Racer

Order Now from WINRIDER – Your Online Bike Gear Specialist

Upgrade your tubeless system with the MUC-OFF Big Bore Valves 45mm – now available at WINRIDER with fast shipping, expert advice, and top-rated customer service.

➡️ Ride harder, inflate faster – with MUC-OFF Big Bore valves.