Hope Tech RS4 Rear CX/Road Hub – QR x 135mm

The Hope Tech RS4 Rear CX/Road Hub delivers the perfect combination of lightweight performance, durability, and reliable engagement for road, cyclocross, gravel, and adventure riding. Designed around a 135mm rear hub width with a 9mm Quick Release axle, the RS4 uses Hope’s proven 2-pawl ratchet system for smooth, dependable drivetrain engagement.

Precision machined from forged 2014 T6 aluminum billet and equipped with sealed stainless steel cartridge bearings, the RS4 is built for long-term performance while remaining fully serviceable. A larger spoke flange also increases wheel stiffness, making the RS4 an excellent choice for custom wheel builds where responsive handling and durability matter.

Available with Shimano, SRAM XDR, or Campagnolo freehub options, the RS4 can be configured for a wide range of modern road and cyclocross drivetrains.

Available now at Monkamoo.

⚡ Key Features

Optimized 44-Point Engagement

The proven 2-pawl ratchet system provides 44 points of engagement, delivering an approximately 8-degree engagement response for quick and reliable power transfer without unnecessary drag.

Precision CNC-Machined Construction

Manufactured from a forged 2014 T6 aluminum billet, the RS4 hub combines high strength with low weight and Hope's signature precision machining.

Sealed Stainless Steel Bearings

High-quality sealed stainless steel cartridge bearings provide smooth rotation, excellent durability, and reliable performance in demanding riding conditions.

135mm Quick Release Rear Hub

Designed for traditional road and cyclocross frames requiring:

• 135mm rear hub spacing
• 9mm Quick Release
• Compatible with 9-, 10-, and 11-speed drivetrains

Multiple Freehub Options

Choose the freehub body to match your drivetrain:

• Shimano
• SRAM XDR
• Campagnolo

SRAM XDR versions include the QR conversion required for this 135mm Quick Release application.

Custom Wheel Build Options

Available in multiple spoke drilling configurations:

• 20H
• 24H
• 28H
• 32H
• 36H

The larger spoke flange helps create stiffer, more responsive wheel builds while maintaining the RS4's lightweight design.

Lightweight Performance

The RS4 weighs approximately 262g in the 32-hole Shimano alloy freehub configuration, making it an excellent choice for performance-oriented road and cyclocross wheelsets.

Seven Hope Colors

Available in a range of Hope's signature anodized colors to complement your custom wheel build.

📏 Specifications

Hub: Hope Tech RS4 Rear CX/Road Hub
Rear Spacing: 135mm
Axle: 9mm Quick Release
Engagement: 44 points / approximately 8°
Ratchet: 2-pawl
Bearings: Sealed stainless steel cartridge bearings
Material: Forged 2014 T6 aluminum billet
Freehub Options: Shimano, SRAM XDR, Campagnolo
Spoke Holes: 20H / 24H / 28H / 32H / 36H
Weight: Approx. 262g (32H Shimano alloy freehub)
Rotor Mount: N/A – Road/CX hub configuration
Axle/Skewer: Not included

XDR Note: Images may show an XDR hub with a 12mm thru-axle. This 135mm QR listing includes the appropriate Quick Release conversion for the XDR freehub.

🚵 Why Choose the Hope Tech RS4 Rear Hub?

For riders building a custom road, cyclocross, or gravel wheelset, the Hope RS4 offers a combination of:

• Lightweight construction
• Fast 44-point engagement
• Smooth sealed stainless bearings
• Strong 2014 T6 aluminum construction
• Multiple freehub choices
• Multiple spoke-hole configurations
• Larger flange for increased wheel stiffness
• Fully serviceable Hope design
• Signature Hope anodized finishes

Whether you're building a lightweight road wheelset, a durable cyclocross setup, or a versatile gravel bike, the Hope Tech RS4 Rear CX/Road Hub – QR x 135mm provides dependable performance and precision engineering.