RISK RA108 Presta Valve Extenders 45mm 80mm Bicycle Tire Valve Extension for Road Bike Deep Rim Wheels
Option examples: Non-removable - 45mm 2pcs; Non-removable - 80mm 2pcs; Removable - 45mm 2pcs. Match the complete option combination to your setup.
The RISK RA108 Presta Valve Extender is designed to extend the length of Presta valves for bicycles with deep-section rims. It is suitable for road bikes, gravel bikes, mountain bikes, tubular tires, and inner tubes that require additional valve length for easier inflation.
This valve extender series is available in 45mm and 80mm lengths, and includes two types for different valve structures:
Each set includes 2 valve extenders and 1 multifunctional valve wrench, making installation and removal simple and convenient.
The extender features a durable metal body, anti-slip texture, sealing ring design, and precise threading to help ensure stable installation and reliable air sealing.
Designed for Presta Valves
Suitable for bicycle Presta valves, commonly used on road bikes, gravel bikes, mountain bikes, tubular tires, and inner tubes.
For Deep-Section Rims
Extends valve length for easier inflation on high-profile or carbon rims.
Two Length Options
Available in 45mm and 80mm to suit different rim depths.
Two Valve Types Available
Choose between removable valve core type and non-removable valve core type according to your original valve structure.
2PCS Per Set
Each valve extender set includes 2 extenders, suitable for one pair of wheels.
Free Multifunctional Wrench Included
Comes with a small installation/removal wrench for easier setup.
Sealing Ring Design
Helps improve airtight performance and reduce air leakage.
Anti-Slip Knurled Design
Textured surface provides better grip during installation.
Lightweight Metal Construction
Durable, compact, and suitable for daily riding, training, and racing.
| Item | Details |
|---|---|
| Brand | RISK |
| Model | RA108 |
| Product Name | Bicycle Presta Valve Extender |
| Material | Metal |
| Valve Type | Presta / French Valve |
| Length Options | 45mm / 80mm |
| Structure Options | Removable Valve Core Type / Non-Removable Valve Core Type |
| Color | Black |
| Application | Road Bike, Gravel Bike, MTB, Tubular Tire, Inner Tube |
| Package | Brand Bag |
| Gender | Unisex |
| Origin | China |
Each set includes:








Each row below is one available option combination. Choose the complete combination that matches your setup.
| Option 1 |
|---|
| Non-removable - 45mm 2pcs |
| Non-removable - 80mm 2pcs |
| Removable - 45mm 2pcs |
| Removable - 80mm 2pcs |
| Sealing Rings for Removable Type - 100PCS |
