SUGINO RD2-175 Crank Arm Set Single Bcd Square Taper Jis 175MM 130 Spindl

( Brand: Sugino ), ( Manufacturer Part Number: RD2-175 ), ( Part Type: Crank Bcd ), ( Color: Black ), ( Bottom Bracket Shell Type: Bsa ), ( Material: Aluminum ), ( Set Includes: Crankset ), ( Package Length: 10.75 ), ( Crankarm Length: 175 Mm ), ( Package Height: 1.75 ), ( Old Gap30 Itemcodeid: 324dc0f8-0d89-4fab-997d-a66f002edf60 ), ( Package Width: 6.4 ), ( Package Weight: 1.6 ), ( Country Of Origin: Japan )

Review SUGINO Rd2 Crank Arm Set 175mm Single Speed 130 Bcd Square Taper Jis Spindl

The **Sugino RD2-175 RD2 Crank Arm Set (175mm Single, 130 BCD, Square Taper, JIS Spindle)** represents a refined fusion of Japanese craftsmanship and cutting-edge engineering, designed to elevate the performance and responsiveness of road cycling. Crafted from Sugino s signature **RD2 alloy**, this crankset combines a lightweight yet rigid construction with exceptional durability, ensuring it can withstand the demands of both aggressive climbing and high-speed descents. The **175mm Q-factor** strikes an optimal balance between stability and efficiency, allowing for a natural pedaling motion that reduces fatigue over long rides while maintaining precise power transfer. The **130 BCD (bolt circle diameter)** ensures compatibility with a wide range of road and gravel bikes, making it a versatile choice for riders seeking reliability without sacrificing performance.

At the heart of this crankset lies Sugino s **Square Taper spindle**, a design that enhances torsional stiffness and reduces vibration, translating every pedal stroke into clean, unfiltered power. The **JIS spindle** further solidifies its compatibility with a broad spectrum of drivetrains, including Shimano, SRAM, and Campagnolo systems, making it an ideal upgrade for riders looking to refine their setup without overhauling their entire drivetrain. The **RD2 alloy** itself is engineered with a fine grain structure, which not only reduces weight critical for climbers and time trialists but also improves fatigue resistance, ensuring longevity even under extreme conditions. The **anodized finish** not only adds a sleek, professional aesthetic but also provides a protective barrier against corrosion, making it well-suited for riders who tackle varied terrains, from coastal salt air to dusty gravel roads.

Beyond its technical specifications, the Sugino RD2-175 exudes a sense of precision and attention to detail that is characteristic of Sugino s legacy in bicycle component manufacturing. The **integrated chainring design** minimizes weight while maintaining rigidity, and the **optimized crank arm geometry** promotes a more efficient pedal stroke, reducing unnecessary strain on the rider s knees and hips. Whether paired with a compact or standard chainring setup, this crankset delivers a responsive feel that rewards the rider with immediate feedback, making it a favorite among racers, endurance cyclists, and performance-oriented enthusiasts alike. For those seeking a crankset that bridges the gap between raw power and refined efficiency, the Sugino RD2-175 stands as a testament to the brand s commitment to innovation and quality, offering a seamless blend of strength, weight savings, and compatibility that few alternatives can match.

The Sugino RD2-175 crank arm set is a high-quality, performance-oriented component designed for road cycling, particularly for riders who prioritize efficiency, power transfer, and durability. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

The RD2 crankset is engineered with Sugino s proprietary RD2 design, which features a lightweight yet stiff construction. The use of high-grade aluminum and precise machining ensures optimal power transfer from the rider s legs to the drivetrain, reducing energy loss. This is particularly beneficial for climbers and time trialists who demand every ounce of efficiency.

Sugino is known for building components that last. The RD2 crankset is built to withstand heavy use, making it suitable for competitive riders or those who push their bikes hard. The square taper spindle and JIS standard spindle ensure compatibility with a wide range of bottom brackets and other components, reducing the risk of premature wear or failure.

The RD2 crankset is designed to be as light as possible without sacrificing stiffness. This makes it ideal for riders who prioritize speed and agility, as the reduced weight can contribute to better acceleration and handling.

The 175mm length is a standard road crank length, offering a balance between efficiency and comfort. The 130 BCD (bolt circle diameter) is compatible with most road wheels, including those with standard hub spacing. The square taper spindle is widely used in high-end road and gravel bikes, ensuring seamless integration with other premium components.

Sugino components are known for their attention to detail and precision. The RD2 crankset is no exception, with tight tolerances and smooth operation. This precision translates to fewer mechanical issues and a more enjoyable riding experience.

The RD2 crankset can be used on a variety of road bikes, including time trial bikes, endurance road bikes, and even some gravel bikes, depending on the frame and fork clearance. Its compatibility with different wheel sizes and bottom brackets adds to its versatility.

Sugino components are premium products, and the RD2 crankset reflects that with a higher price point compared to mid-range or budget alternatives. For casual riders or those on a tight budget, this may be a significant drawback, as there are more affordable options that offer similar performance in some cases.

Sugino is not as widely available as some other brands, such as Shimano or SRAM. This can make finding replacement parts, servicing, or accessing customer support more challenging. If you re in a region with limited Sugino dealers, this could be a concern.

While the square taper spindle is durable and widely compatible, it is not as modern as the more recent hollowtech II or ISIS drive systems. This means the RD2 crankset may not be as easily integrated into the latest frame designs that prioritize these more advanced bottom bracket systems. However, for most road bikes, this is not a significant issue.

The RD2 crankset is a single chainring setup, which means it lacks the versatility of a double or triple chainring system. While single chainrings are efficient and popular among many riders, especially in time trial or climbing-focused setups, they may not suit riders who prefer the flexibility of multiple gears for varied terrain.

Like all high-performance components, the RD2 crankset requires regular maintenance to ensure optimal performance and longevity. This includes cleaning, lubricating, and checking for wear. Riders who are not diligent about maintenance may find that the crankset does not last as long as it could.

The Sugino RD2-175 crank arm set is an excellent choice for riders who prioritize performance, durability, and efficiency above all else. Its lightweight construction, superior power transfer, and precision engineering make it a standout option for competitive or serious recreational cyclists. However, its high cost, limited availability, and the need for regular maintenance may deter some riders, particularly those on a budget or who prefer more widely supported brands.

If you are a rider who demands the best in terms of power transfer and build quality and can justify the investment, the RD2 crankset is a fantastic choice. For casual riders or those who prefer a more budget-friendly option with broader compatibility, there are other alternatives that may better suit your needs.

- You are a competitive or serious recreational cyclist who prioritizes performance and efficiency.

- You are willing to invest in high-quality components that will last for many years with proper maintenance.

- You have access to a reliable source for servicing and potential replacements.

- Your bike setup is compatible with the square taper spindle and 130 BCD wheels.

- You are on a tight budget and cannot justify the higher cost of Sugino components.

- You prefer brands with broader availability and more extensive customer support networks.

- You ride in varied terrain and would benefit from the versatility of a double chainring setup.

- You are unsure about your long-term commitment to cycling and want to avoid a significant upfront investment.

Details:

With a length of 175mm and square taper JIS spindle, this crank arm set is durable efficient for any cycling enthusiast. Made by the reputable brand Sugino, this crank arm set is sure to meet needs of any cyclist seeking precision and reliability. The Sugino RD2 Crank Arm Set is a high-quality cycling component designed for single-speed bikes.

part #: rd2175 prices

• $66.19-$299.99

specifications ribicycl:

• brand: Sugino
• mpn: Rd2-175
• part type: Crank Bcd
• color: Black
• bottom bracket shell type: Bsa
• material: Aluminum
• set includes: Crankset
• package length: 10.75
• crankarm length: 175 Mm
• package height: 1.75
• old gap30 itemcodeid: 324dc0f8-0d89-4fab-997d-a66f002edf60
• package width: 6.4
• package weight: 1.6
• country of origin: Japan

returns ribicycl:

• policy: No Returns

payments ribicycl:

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

seller ribicycl:

• rating: 100.0%
• # reviews: 11
• city: Long Beach, California

shipping ribicycl:

• transit: 5-9 Days
• type: Calculated
• carrier: USPS
• class: Standard
• cost: $8.46
• service: USPS Ground Advantage

offer ribicycl:

• availability: In Stock
• quantity: 1
• sold: 0
• started: February 2, 2026
• best offers: True
• options: Ship-to-home

general ribicycl:

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

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