1. Bicycle Rims For Sale
  2. sku: 17950147788543722
  3. ON ONE 6011B

ON-ONE 6011B Mary Riser Mountain Bike Handlebar Clamp 25.4MM

6011b On-one Mary Aluminum Riser Mountain Bike Handlebar 25.4mm Clamp Black

( Brand: On-one ), ( Manufacturer Part Number: 6011B ), ( Model: MARY ), ( Part Type: Bike Clamp ), ( Handlebar Type: Riser Bar ), ( Clamp Diameter: 25.4 Mm ), ( Color: Black ), ( Compatible Bike Type: Mountain Bike ), ( Set Includes: Handlebar ), ( Material: Aluminum )

Review ON ONE Mary Aluminum Riser Mountain Bike Handlebar 25.4mm Clamp Black

The **OnOne 6011B Mary Riser Mountain Bike Handlebar** is a meticulously engineered, high-performance bar designed to elevate your riding experience with unmatched comfort, control, and versatility. Crafted with precision for aggressive and technical mountain biking, this bar features a **25.4mm clamp**, ensuring a secure and snug fit on most standard fork steerer tubes while maintaining a sleek, minimalist aesthetic. The **Mary Riser** design is a game-changer for riders who demand both stability and maneuverability, particularly when tackling steep descents, rough terrain, or technical singletrack. The bar s **riser profile** lifts the hands slightly higher and forward, reducing wrist strain and improving body positioning, which is crucial for maintaining endurance and reducing fatigue during long rides or grueling downhill sessions.

Constructed from **high-grade aluminum**, the 6011B is lightweight yet incredibly durable, capable of withstanding the rigors of off-road riding without compromising on responsiveness. The **ergonomic shape** of the bar promotes a more natural hand position, allowing for better leverage and control during aggressive turns, jumps, or sudden braking maneuvers. The **flat-top design** provides ample space for mounting accessories like grips, levers, or even a quick-release clamp for a dropper post, making it a practical choice for riders who prioritize functionality without sacrificing style. Whether you're carving through a forest trail or pushing the limits on a downhill course, the Mary Riser s **forward-reaching geometry** helps you stay balanced and in control, reducing the risk of injury while enhancing your overall riding confidence.

One of the standout features of the OnOne 6011B is its **adjustable rise**, which can be fine-tuned to suit individual preferences or riding conditions. This flexibility allows riders to dial in their ideal hand position, whether they prefer a slightly more aggressive stance for technical climbing or a relaxed grip for high-speed descents. The bar s **smooth, polished finish** not only enhances its visual appeal but also ensures a comfortable grip, even in wet or muddy conditions. Additionally, the **compatibility with a wide range of stem lengths and angles** makes it a versatile choice for both custom builds and aftermarket upgrades, allowing riders to tailor their setup to their exact specifications. Whether you're a seasoned downhill racer, an enduro enthusiast, or a trail rider looking to refine your setup, the OnOne 6011B Mary Riser handlebar delivers the perfect blend of performance, comfort, and adaptability to take your riding to the next level.

The **One6011B Mary Riser Mountain Bike Handlebar** (25.4mm clamp) is a popular choice for riders seeking a comfortable, ergonomic, and versatile bar for cross-country (XC), trail, or light enduro riding. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Ergonomic Design**

The Mary Riser is specifically engineered to reduce wrist strain and improve comfort during long rides. Its upward-curving shape encourages a more natural hand position, reducing pressure on the wrists and forearms. This is particularly beneficial for riders who spend extended periods on the bike, as it helps prevent numbness and fatigue.

2. **Versatile Fit**

The bar is designed to work well with a wide range of riding styles, from fast-paced XC to moderate trail riding. Its moderate rise and sweep make it suitable for riders who want a balance between control and comfort. It s not overly aggressive like a downhill bar, but it s not flat like a road bar either, making it adaptable to various terrains.

3. **Durability and Build Quality**

One6011B is known for producing high-quality components, and this handlebar is no exception. It is typically made from aluminum, which offers a good balance of strength and weight. The 25.4mm clamp is standard for most mountain bikes, ensuring compatibility with a wide range of stems. The bar is also designed to withstand the stresses of off-road riding without bending or warping.

4. **Compatibility with Accessories**

The Mary Riser s design allows for easy integration with various accessories, such as brake levers, shifters, and grips. Many riders also use it with hoods or flat bars for added versatility. The bar s shape also accommodates ergonomic grips, which can further enhance comfort.

5. **Positive User Feedback**

Many riders praise the Mary Riser for its ability to significantly improve comfort during long rides. Users often report reduced wrist pain and a more relaxed riding position compared to traditional flat bars. This has made it a favorite among XC and trail riders who prioritize comfort without sacrificing performance.

6. **Aesthetic Appeal**

The Mary Riser has a sleek, modern look that appeals to riders who want a handlebar that is both functional and stylish. Its clean design fits well with many mountain bike setups, contributing to an overall polished appearance.

---

### **Cons**

1. **Not Ideal for Aggressive Downhill or Freeride Riding**

While the Mary Riser is excellent for XC and trail riding, it is not designed for extreme downhill or freeride applications. The upward rise and moderate sweep are not optimized for the high-speed, technical descents typical of downhill riding. Riders who frequently tackle steep, technical descents may find the bar too upright or lack the necessary control for aggressive riding.

2. **Limited Adjustability**

The Mary Riser s design is fixed in terms of rise and sweep, which may not suit every rider s preferences. Some riders might prefer a bar with more adjustability, such as a riser bar with interchangeable parts or a fully customizable setup. While the Mary Riser offers a good balance, it lacks the fine-tuning options that some riders desire.

3. **Potential for Hand Numbness in Certain Positions**

While the Mary Riser is designed to reduce wrist strain, some riders may still experience numbness or discomfort if they rely heavily on the hoods or if their grip position is not optimized. This can be mitigated by using ergonomic grips or adjusting the stem height, but it is something to consider, especially for riders with pre-existing wrist or nerve issues.

4. **Price**

The Mary Riser is not the cheapest handlebar on the market. While it offers excellent value for its quality and comfort benefits, budget-conscious riders may opt for more affordable alternatives that still provide a riser design. However, the price is justified by the bar s durability and comfort advantages.

5. **Weight**

Like most aluminum riser bars, the Mary Riser is not as lightweight as carbon fiber options. While the weight difference is minimal for most riders, those who prioritize ultra-lightweight components may find it slightly heavier than carbon riser bars.

6. **Compatibility with Some Stems**

While the 25.4mm clamp is standard, some stems may not fit perfectly due to variations in stem design or clamping mechanisms. Riders should ensure their stem is compatible with the bar to avoid issues with alignment or stability.

---

### **Conclusion**

The **One6011B Mary Riser Handlebar** is an outstanding choice for riders who prioritize comfort, ergonomics, and versatility in a mountain bike setup. Its design effectively reduces wrist strain and fatigue, making it ideal for long XC rides and moderate trail sessions. The bar s durability, compatibility with various accessories, and positive user feedback further solidify its reputation as a top-tier riser bar.

However, it is not suited for aggressive downhill or freeride riding, where more aggressive bar designs are preferred. Additionally, riders who seek extreme adjustability or ultra-lightweight components may find alternatives more appealing. For most cross-country and trail riders, the Mary Riser strikes an excellent balance between comfort and performance.

---

### **Recommendation**

If you are a **cross-country or trail rider** who spends long hours on the bike and values comfort and wrist support, the **One6011B Mary Riser Handlebar** is an excellent investment. It will significantly enhance your riding experience by reducing strain and improving control.

For **downhill or freeride riders**, consider more aggressive bar designs like riser bars with a lower rise or flat bars with a pronounced sweep.

For **budget-conscious riders**, explore other riser bars from brands like **Fizik, Ergon, or Easton**, which offer similar ergonomic benefits at slightly lower prices.

Ultimately, the Mary Riser is a **highly recommended choice** for riders who want a comfortable, reliable, and versatile handlebar for XC and trail riding. Pair it with a compatible stem and ergonomic grips to maximize its benefits.

Details:

On-One Mary Aluminum Riser Mountain Bike Handlebar 25.4mm Clamp Black. Used, Good Shape Hard To Find. 645mm 40 Degree Back sweep.

part #: 6011b price

  • $74.95

specifications ribicycl:

  • brand: On-one
  • mpn: 6011b
  • model: Mary
  • part type: Bike Clamp
  • handlebar type: Riser Bar
  • clamp diameter: 25.4 Mm
  • color: Black
  • compatible bike type: Mountain Bike
  • set includes: Handlebar
  • material: Aluminum

shipping ribicycl:

  • transit: 4-11 Days
  • cost: $11.88
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • type: Calculated

payments ribicycl:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

offer ribicycl:

  • optiOns: Ship-to-home
  • sold: 0
  • quantity: 1
  • best offers: True
  • started: May 15, 2026
  • availability: In Stock

general ribicycl:

  • cOnditiOn: Used
  • Cycling > Bicycle CompOnents Parts > Handlebars

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • rating: 100.0%
  • # reviews: 260
  • city: Lolo, MOntana
part type: bike clamp, handlebar type: riser bar, clamp diameter: 25.4 mm, compatible bike type: mountain bike, set includes: handlebar,
category: sporting goods > cycling > bicycle components parts > handlebars, color: black, material: aluminum, sku: 17950147788543722,
On-one 6011B Is Similar To:
ribicycl logo
1 offer $74.95 USD
  • Used. Offer #1 priced at $74.95 + $11.88 shipping estimate = $86.83* total. 645mm 40 Degree Backsweep. Used, Good Shape & Hard To Find! On-One Mary Aluminum Riser Mountain Bike Handlebar 25.4mm Clamp Black.+$11.88 shipping

Copyright © ribicycl.com