MARZOCCHI QR20 Front Hub

( Brand: Marzocchi ), ( Manufacturer Part Number: QR20 ), ( Model: MARZOCCHI QR20 ), ( Part Type: Hub ), ( Number Of Spoke Holes: 32 Hole ), ( Brake Type: 6-bolt Disc ), ( Item Diameter: 20 Mm ), ( Compatible Bike Type: Mountain Bike )

Review MARZOCCHI Vintage Front Hub Rare

The **Marzocchi QR20 Front Hub** is a high-performance, precision-engineered component designed to elevate the handling, stability, and overall riding experience of mountain bikes, gravel bikes, and hardtail enduro rigs. Built with Marzocchi s signature blend of Italian craftsmanship and cutting-edge engineering, this front hub is a standout choice for riders demanding reliability, durability, and superior mechanical efficiency. The QR20 features a **20mm through-axle interface**, a modern standard that enhances rigidity, reduces wheel wobble, and allows for a more direct transfer of power from the bike s frame to the wheel, resulting in sharper cornering and improved traction. Constructed from **high-grade steel**, the hub s axle and spindle are precision-machined to exacting tolerances, ensuring minimal flex and maximum stiffness critical for aggressive descents and technical terrain. The **sealed cartridge bearings** are engineered for low friction and long-lasting performance, reducing maintenance demands while maintaining smooth, consistent rotation even under heavy loads or extreme conditions.

The QR20 s **quick-release mechanism** is a refined iteration of Marzocchi s expertise in bike fit and wheel removal, offering a secure yet quick way to detach the wheel without tools. The design minimizes play and ensures the wheel stays true to the fork, which is particularly beneficial for riders who frequently switch between different wheel sizes or need to transport their bike. The hub s **open-drive design** allows for easy access to the spokes and nipples, making adjustments and truing a straightforward process, while the **double-wall rims** (when paired with compatible wheels) provide an optimal balance of strength and weight savings. Whether paired with lightweight carbon rims for speed or durable alloy rims for durability, the QR20 delivers a robust foundation for wheelsets that can handle everything from fast-paced cross-country rides to demanding downhill descents.

Beyond its mechanical advantages, the Marzocchi QR20 is a testament to the brand s commitment to sustainability and innovation. The hub s construction incorporates **recyclable materials** and efficient manufacturing processes, reducing environmental impact without compromising performance. Its **modular compatibility** ensures it can be integrated seamlessly with a wide range of suspension forks, disc brake systems, and wheel builds, making it a versatile upgrade for both new builds and retrofits. Riders who prioritize precision, longevity, and a refined ride quality will appreciate the subtle yet impactful improvements the QR20 brings to their setup. Whether tackling rocky singletrack, carving through technical descents, or cruising on mixed-terrain gravel, this front hub ensures that every pedal stroke and turn of the handlebars is met with confidence and control.

### **Pros and Cons of buying a Marzocchi QR20 Front Hub**

The Marzocchi QR20 is a well-regarded front hub known for its performance in gravel, cyclocross, and light off-road riding. Here are its key advantages:

1. **Durability and Build Quality** Marzocchi is a reputable brand with a long history in bicycle components, and the QR20 is built to withstand rough terrain. The hub features a robust construction with sealed bearings, reducing the risk of dirt and moisture ingress, which helps extend its lifespan.

2. **Performance in Gravel and Light Off-Road** The QR20 is designed with a wider rim clearance and reinforced components, making it suitable for gravel riding and light off-road adventures. It handles impacts better than standard road hubs, reducing the risk of damage from rough surfaces.

3. **Sealed Bearings** The hub comes with sealed bearings, which require less maintenance than open bearings. This means fewer adjustments and less risk of contamination from dirt or water, making it ideal for riders who don t want to frequently service their bike.

4. **Compatibility with Disc Brakes** The QR20 is compatible with disc brake systems, which is a significant advantage for gravel and cyclocross riders who rely on disc brakes for better stopping power in all conditions.

5. **Good Value for Performance** Compared to some high-end gravel-specific hubs, the QR20 offers a solid balance between cost and performance. It s not the cheapest option, but it provides reliable performance without the premium price of some alternatives.

6. **Lightweight for Its Class** While not as light as some road-specific hubs, the QR20 is still relatively lightweight for a gravel or cyclocross hub, making it a practical choice for riders who want a bit of extra speed without sacrificing durability.

7. **Easy to Install and Maintain** Marzocchi components are generally user-friendly, and the QR20 follows this trend. It can be installed with basic tools, and maintenance is straightforward, primarily involving occasional bearing greasing (though the sealed bearings reduce this need).

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1. **Not Ideal for Heavy Off-Road or Mountain Biking** The QR20 is designed for gravel, cyclocross, and light off-road use. It lacks the extreme durability and wider rim clearance of a true mountain bike hub, so it may not handle deep mud, large rocks, or aggressive trails as well.

2. **Limited Rim Width Compatibility** The hub has a narrower rim clearance compared to some gravel-specific hubs, which may restrict the use of wider gravel tires. Riders who prefer maximum tire clearance for aggressive gravel riding might need to look elsewhere.

3. **Price Point** The QR20 is more expensive than basic road hubs but may not be as cost-effective as some budget gravel hubs from other brands. If you re on a tight budget, there are alternatives that offer similar performance at a lower price.

4. **Weight Compared to Road Hubs** While it s lightweight for a gravel hub, it s still heavier than a standard road hub. Riders who prioritize speed and weight savings on paved surfaces might find it slightly less efficient.

5. **Availability of Spare Parts** Marzocchi is a well-established brand, but some riders report that finding replacement parts or specific components can be more difficult than with more mainstream brands. This is less of an issue for most riders but worth considering for long-term use.

6. **No Quick Release (QR) on All Models** Some versions of the QR20 may not include a quick-release axle, which could be a drawback for riders who prefer the convenience of quick wheel changes. Always check the specific model you re purchasing.

7. **Limited Customization** Unlike some high-end gravel hubs, the QR20 offers fewer customization options in terms of bearing types, axle lengths, or other adjustments. Riders who want to fine-tune their setup may find it less flexible.

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The Marzocchi QR20 is an excellent choice for riders who need a reliable, durable front hub for gravel, cyclocross, or light off-road riding. It strikes a good balance between performance, build quality, and ease of maintenance, making it a practical upgrade for riders who want to move beyond standard road hubs without investing in a full mountain bike setup.

However, it s not the best fit for heavy off-road use or riders who prioritize maximum rim clearance and tire width. If you re primarily riding on paved roads with occasional gravel adventures, a standard road hub might suffice. For those who frequently tackle rough terrain, a more specialized gravel or cyclocross hub may be worth considering.

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- You ride gravel, cyclocross, or light off-road regularly and want a durable, low-maintenance hub.

- You prefer disc brakes and need a hub that can handle them.

- You value Marzocchi s reputation for build quality and reliability.

- You re willing to pay a moderate premium for a hub that outperforms standard road options.

- You ride heavily off-road or in extreme conditions (e.g., deep mud, large rocks).

- You need maximum rim clearance for wide gravel tires.

- You re on a tight budget and can find a similarly performing hub at a lower price.

- You prioritize weight savings over durability and plan to ride mostly on pavement.

For most gravel and cyclocross riders, the QR20 is a solid and well-rounded choice. Pair it with a compatible frame and tires, and it will serve you well for many miles.

Details:

Condition is used but very serviceable. Weight is 245g, or about 8.6 ounces. 110mm, fits Marzocchi QR20 forks only. Vintage Marzocchi QR20 front disc hub.

Bearings were replaced a few years ago but never mounted. 32 hole, 20mm through axle not included.

part #: qr20 prices

• $19.99-$355.66

specifications ribicycl:

• brand: Marzocchi
• mpn: Qr20
• model: Marzocchi Qr20
• part type: Hub
• number of spoke holes: 32 Hole
• brake type: 6-bolt Disc
• item diameter: 20 Mm
• compatible bike type: Mountain Bike

returns ribicycl:

• policy: No Returns

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Hubs

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• wallet: Google-pay
• other
• credit card: Visa

offer ribicycl:

• started: May 1, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

seller ribicycl:

• # reviews: 778
• city: Vancouver, Washington
• rating: 100.0%

shipping ribicycl:

• service: USPS Ground Advantage
• class: Standard
• type: Calculated
• cost: $8.06
• transit: 4-8 Days
• carrier: USPS