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Load image into Gallery viewer, Surly Ultra New Rear Hub - Threaded x 135mm, Rim Brake, Fixed/Free, Black, 32H

SKU: HU0843

Surly Ultra New Rear Hub - Black, 135mm Threaded Axle, Rim Brake, Fixed/Free, 32H, 6061-T6 Forged Shell, 6901 Bearings, CroMo Axle, Sealed Cartridge Bearings, No Skewer, Suitable for Road and Cyclocross Bikes

Regular price $76.30
$83.95 Sale price $76.30 Regular price
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Description
Specifications

Upgrade your bicycle with the Surly Ultra New Rear Hub - a premium, durable, and precision-engineered component designed for serious cyclists who demand reliability and performance. This threaded, rim brake-compatible rear hub is perfect for fixed gear and single-speed bikes, constructed with high-quality materials for optimal strength and longevity.

Materials & Engineering Excellence

Crafted from 6061-T6 forged aluminum, the Surly Ultra New Rear Hub features a robust, lightweight hub shell built to withstand demanding riding conditions. The 4130 CroMoly axle and stainless steel cones ensure superior durability and corrosion resistance. Precision-machined, aggressive knurling on cones and bolt caps provides a secure grip, reducing slippage during installation and adjustments.

Performance & Components

Equipped with 6901 sealed cartridge bearings, this hub offers smooth, efficient rotation and low maintenance, even after extended use. Its specific shouldered axle system allows for completely adjustment-free operation, simplifying setup and ensuring consistent wheel alignment. The hub's 32-hole drilled flange provides versatile spoke options for a strong wheel build tailored to your riding style.

Technology & Compatibility

Designed for threading standard 1.37" x 24 TPI cassette bodies and a 135mm axle spacing, this hub is optimized for rim brake setups, making it ideal for city commuting, track racing, and fixed gear enthusiasts. The quick-release compatibility (axle quick-release and bolt-on options included) offers flexibility for quick wheel changes, while stainless 6mm bolts ensure secure attachment.

Style & Use Case

Finished in sleek black, the Surly Ultra New Rear Hub combines minimalist style with exceptional function. Whether you're customizing a new build or upgrading an existing bike, this hub provides a reliable backbone for your rim brake wheelset. Perfect for fixed gear, single-speed, or urban bikes, its high-performance engineering ensures confident riding on a variety of terrains.

Innovative & Differentiating Features

- Fully adjustable, maintenance-free axle system for effortless servicing

- Aggressive knurling on cones and bolt caps for secure, slip-resistant installation

- Heavy-duty 6061-T6 forged alloy shell for lightweight strength

- Sealed cartridge bearings for smooth, reliable performance in all weather conditions

- Compatible with rim brake setups, enhancing braking power and modulation

Elevate your bike's performance with the Surly Ultra New Rear Hub - the durable, high-quality choice for riders seeking a reliable, stylish, and easy-to-maintain wheel hub. Prepare to ride with confidence and style, whether on city streets, velodromes, or your favorite climbs.

  • High-performance Surly Ultra New Rear Hub with threaded 135mm spacing, designed for rim brake bicycles, providing reliable and smooth rolling performance.
  • Constructed from durable 6061-T6 forged aluminum and featuring 6901 sealed cartridge bearings for enhanced longevity and reduced maintenance, ideal for demanding cycling conditions.
  • Equipped with a 4130 CroMoly axle and stainless steel cones with aggressive knurling, ensuring reduced slippage and secure engagement during long rides and intense braking.
  • Innovative shouldered axle system allows for adjustment-free setup and straightforward service, minimizing downtime and simplifying wheel upkeep for shop professionals and enthusiasts.
  • Perfect for fixed gear and single-speed setups, this black hub features J-Bend spoke interface and 32-hole drilling, offering versatile compatibility and a sleek, minimalist style for urban, commuter, or track cycling.
ColorBlack
Flange Diameter, Left54
Skewer IncludedNo
Rear Axle10x1 Threaded x 135mm
Flange Diameter, Right54
Cassette Body TypeThreaded Standard 1.37" x 24tpi
Center to Flange, Left37.5
Bearing TypeSealed Cartridge
Weight337
Center to Flange, Right38.5
Spoke InterfaceJ-Bend
Defined ColorBlack
Hub Drilling32
Hub/Brake CompatibilityRim Brake
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

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Keep Moving

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Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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