5DEV CFS29X136 Crank Dub Spindle 850054022127 73MM

( Brand: 5dev ), ( Manufacturer Part Number: CFS29X136 ), ( Part Type: Crank ), ( Color: Purple ), ( Set Includes: Crank Spindle ), ( Country Of Origin: United States ), ( UPC: 850054022127 )

Review 5DEV Purple Crank Dub Spindle 29x136 73mm Made In The Usa

The **5dev CFS29X136 Crank Dub Spindle** is a high-performance, precision-engineered component designed to elevate the performance and reliability of your 29-inch wheel setup, particularly in applications where durability, weight savings, and seamless integration are paramount. Crafted from a proprietary **73mm-wide carbon fiber monocoque structure**, this crank spindle is engineered to deliver an unparalleled balance of stiffness and lightweight strength, making it an ideal choice for gravel grinders, cyclocross racers, and adventurous riders who demand both resilience and agility. The **29x136mm interface** ensures compatibility with a wide range of 29-inch wheels, including those from top-tier brands, while the **dub spindle design** featuring a dual-bolt pattern eliminates the need for a separate axle nut, reducing weight and simplifying assembly. This design also enhances torque distribution, minimizing stress on the wheel hub and spindle, which translates to longer-lasting components and a smoother ride. The **precision-machined surfaces** are meticulously finished to prevent corrosion and ensure a snug, vibration-free fit, even under the most demanding conditions. Whether you're tackling rough terrain, pushing the limits in a race, or simply seeking a more responsive ride, the 5dev CFS29X136 crank spindle stands out as a game-changer, offering a blend of cutting-edge engineering and practical performance that sets it apart from conventional steel or aluminum alternatives. Its sleek, minimalist profile doesn t just serve an aesthetic purpose; it reflects the meticulous attention to detail that goes into every aspect of its construction, from the carbon fiber layup to the final machining process. For riders who refuse to compromise on quality, this spindle is more than an accessory it s a performance-enhancing upgrade that turns every pedal stroke into an efficient, powerful motion.

The **5dev CFS29X136 crank** (29x136mm, 73mm BCD) is a popular choice among cyclists, particularly for gravel, cyclocross, and light trail riding. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

1. **Lightweight Design** The crank is constructed from lightweight materials (likely aluminum or carbon fiber), making it ideal for riders who prioritize efficiency and speed. The reduced weight helps with pedal efficiency, especially on climbs or long rides.

2. **Wide Range of Gearing** The 29x136mm chainline is designed for wide-range single-speed or single-chainring setups, which is common in gravel and cyclocross bikes. This allows for a broad gear range, making it versatile for varied terrain, including hills and rough surfaces.

3. **Durability** 5dev is known for producing reliable, high-quality components. The crank is built to withstand the stresses of off-road riding, including impacts from rough terrain, without excessive wear.

4. **Compatibility with Single-Speed or 1x Drivetrains** The 73mm BCD (Bottom Bracket Shell Diameter) is standard for most modern road and gravel bikes, making it easy to install with a variety of bottom brackets and pedals. It works seamlessly with single-speed setups or 1x drivetrains, which are popular for simplicity and efficiency.

5. **Cost-Effective** Compared to high-end carbon cranks, this option offers excellent value for money. It provides performance benefits without the premium price of top-tier brands.

6. **Easy Maintenance** The simplicity of a single-chainring setup means fewer components to adjust or replace, reducing maintenance hassle. This is particularly appealing to riders who prefer low-maintenance bikes.

7. **Versatility for Different Riding Styles** Whether used for commuting, gravel adventures, or light trail riding, the crank s design accommodates a variety of riding disciplines without sacrificing performance.

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1. **Limited to Single-Speed or 1x Setups** The crank is not designed for multi-speed drivetrains (e.g., 2x, 3x, or even some 1x setups with wider chainlines). If you prefer or eventually want a more complex drivetrain, this crank may not be suitable without modifications.

2. **Potential Chainline Issues** The 29x136mm chainline is optimized for wide-range setups, which can sometimes cause chainline alignment problems if not properly set up. Improper chainline can lead to premature wear on the chain, cassette, and crank components.

3. **Less Common in High-End Racing** While this crank is excellent for gravel, cyclocross, or commuting, it may not be as refined as cranks designed specifically for road racing or endurance riding. High-end road cranks often feature more aerodynamic or ergonomic designs.

4. **Potential for Vibration Transfer** Due to its lightweight construction, the crank may transfer more road or trail vibrations to the rider s hands and body, which could be less comfortable on rough surfaces compared to heavier, more damped cranks.

5. **Limited Customization Options** Unlike some high-end cranks, this model may not offer as many customization options in terms of weight, material, or color. Riders looking for specific aesthetic or performance tweaks may find fewer choices.

6. **Potential Compatibility Issues with Older Bikes** While the 73mm BCD is standard, some older bikes may require additional spacers or adapters to ensure a proper fit, especially if the bottom bracket shell is not perfectly aligned.

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The **5dev CFS29X136 crank** is an excellent choice for riders who prioritize simplicity, versatility, and lightweight performance in a single-speed or 1x setup. It excels in gravel, cyclocross, and light trail riding, offering a wide gear range and durability without the complexity of multi-speed drivetrains. Its lightweight construction and compatibility with standard bottom brackets make it a practical option for riders who want an efficient, low-maintenance component.

However, if you anticipate needing a more complex drivetrain in the future or prefer the refined feel of high-end road cranks, you may want to consider alternatives. Additionally, riders who prioritize comfort over weight or plan to ride heavily on rough terrain might benefit from a slightly heavier or more damped crank.

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- You ride primarily on gravel, cyclocross, or light trails.

- You prefer a single-speed or 1x drivetrain for simplicity and efficiency.

- You value lightweight performance and durability without high maintenance.

- You want a cost-effective yet high-quality component that fits standard 73mm BCD bottom brackets.

- You plan to use a multi-speed drivetrain or need a wider range of gearing options.

- You prioritize comfort over weight and plan to ride heavily on rough terrain.

- You want a crank with more customization options or a refined feel for road racing.

For most gravel and cyclocross riders, this crank is an outstanding choice that delivers performance and reliability without unnecessary complexity. If your riding style aligns with its strengths, it is highly recommended.

Details:

PURPLE 5Dev Crank DUB Spindle 29X136 73mm. All 5Dev cranks are compatible with all spindles allowing easy changes. Model Mountain 55mm, Spindle Interface29mm 73mm BB, length 136mm. Made in the USA.

part #: cfs29x136 prices

• $60.00-$109.98

specifications ribicycl:

• brand: 5dev
• mpn: Cfs29x136
• part type: Crank
• color: Purple
• set includes: Crank Spindle
• country of origin: United States
• upc: 850054022127

seller ribicycl:

• city: Sandy, Utah
• # reviews: 3191
• rating: 99.4%

returns ribicycl:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

offer ribicycl:

• started: June 3, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

shipping ribicycl:

• carrier: USPS
• class: Standard
• transit: 2-6 Days
• type: Fixed
• cost: $7.95
• service: USPS Ground Advantage

general ribicycl:

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

payments ribicycl:

• wallet: Paypal
• other
• credit card: Diners-club

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