Sturmey Archer CS-RK3 3×9-Sp Disc Hub, 32h – Black

Description

Upgrade your bicycle’s drivetrain with the Sturmey Archer CS-RK3 3×9-Speed Disc Hub, a high-performance, reliable, and versatile rear hub engineered for modern cyclists seeking smooth gear transitions and durable components. Designed specifically for disc brake bikes, this 32-hole black hub combines innovative engineering with robust materials to deliver exceptional riding experience for urban riders, commuters, and touring enthusiasts alike.

Materials & Construction

Constructed from precision-machined 6061 aluminum, the Sturmey Archer CS-RK3 hub offers lightweight durability, corrosion resistance, and a sleek black finish that complements any bike aesthetic. The solid slotted 13/32″ axle ensures strength and stability, measuring an overall length of 179mm, suitable for a wide range of frame setups with Nutted 13/32″ rear spacing.

Performance & Engineering

This internal 3-speed gear hub provides a gear ratio range of 177%, with evenly spaced 33% steps that make climbing hills and cruising on flats effortless. The innovative internal gear mechanism ensures smooth, reliable shifting with minimal maintenance, ideal for everyday riding where dependability is paramount. The hub’s compatibility with a standard mountain bike 3-speed front derailleur shifter allows for straightforward setup and adjustment, providing cyclists with versatile gear options for varied terrains.

Components & Technology

Equipped with a high-quality HG-splined 8-11-speed freehub body, the CS-RK3 allows seamless compatibility with a broad range of cassettes (sold separately), enhancing versatility and customization. Its 6-bolt disc brake mount ensures perfect integration with modern disc brake rotors, delivering superior stopping power and modulation even in wet or muddy conditions.

Style & Use Case

With a sleek black finish, the Sturmey Archer CS-RK3 hub complements both classic and modern bike designs, making it an excellent choice for city bikes, touring bikes, and commuter bicycles that demand durability, style, and performance. Perfect for riders upgrading existing setups or building custom bikes that require a reliable, multi-gear hub for urban commuting, touring adventures, or everyday riding.

Innovative & Differentiating Features

– Internal 3-speed design for low-maintenance, reliable shifting

– Suitable for disc brake applications with 6-bolt mounting

– Compatible with standard mountain 3-speed shifters for easy setup

– Crafted from lightweight yet durable 6061 aluminum for optimal performance

– Supports a wide range of cassettes via HG-splined freehub body

Key Specifications:

– Number of Holes: 32

– Rear or Front?: Rear (3-speed)

– Gear Ratio Range: 177% (33% per step)

– Weight: 1155g

– Axle Compatibility: 13/32″ Nutted, 135mm spacing

– Brake Type: 6-bolt disc mount

Enhance your bike’s driving experience with the Sturmey Archer CS-RK3 3×9-Speed Disc Hub – the perfect combination of innovative engineering, durability, and style for versatile urban and recreational cycling. Order now for smooth shifting, improved performance, and reliable gear function on every ride!

• 3-speed internal gear hub with precise engineering designed for reliable urban and touring bike performance, featuring a durable 6061 aluminum shell for lightweight strength and longevity.
• Compatible with standard IS 6-bolt disc brakes and equipped with HG-splined 8-11-speed freehub body, allowing seamless integration with a wide range of cassette options for versatile gearing setups.
• Offers a gear ratio range of 177% across three steps with 33% increments, enabling smooth shifting and efficient power transfer in various riding conditions, optimized for commuters and recreational cyclists.
• Built with a solid 13/32″ slotted solid axle (179mm overall length) and J-bend spokes for easy installation and maintenance, making it a robust choice for rear wheel upgrades on disc brake-equipped bikes.
• Stylish black finish and 32-hole configuration provide enhanced durability and wheel stability, making this hub ideal for aggressive riding, touring, or versatile city commuting bikes.