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Load image into Gallery viewer, RockShox CSU - Lyrik B1-C1/Yari A1-B1, DebonAir, 27.5"/29"/27.5+, 15 x 110, 51mm Offset, Diffusion Black (No Gra dient

SKU: FK4340

RockShox Lyrik B1-C1 / Yari A1-B1 Crown, Steerer Tube & Upper Tube Assembly | DebonAir Air Suspension, 27.5"/29"/27.5+ Compatibility, 15x110mm Boost, 51mm Offset, 35mm Stanchions, High-Performance MTB Suspension Components

Regular price $313.62
$420.00 Sale price $313.62 Regular price
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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

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Description

Upgrade your mountain biking experience with the RockShox Crown/Steerer/Upper Tube Assembly for Lyrik B1-C1 and Yari A1-B1 forks. Designed with cutting-edge engineering and premium materials, this high-performance upgrade offers exceptional durability, precision, and responsiveness on challenging trails and rugged terrains.

Materials & Construction

Crafted from lightweight, high-strength aluminum, the crown, steerer tube, and upper tube ensure optimal weight savings without compromising strength. The 35mm diameter components deliver increased stiffness for superior control and stability during aggressive riding.

Performance & Engineering

Built with RockShox's DebonAir air spring technology, these assemblies provide a smoother, more controlled ride by reducing friction and enhancing shock absorption. The Precision-engineered parts deliver predictable damping and consistent performance in diverse trail conditions, from technical climbs to downhill descents.

Components & Compatibility

Compatible with 27.5"/29"/27.5+ wheel sizes, this assembly features a 15 x 110mm thru-axle configuration and 51mm offset, making it ideal for modern trail and enduro bikes. Designed specifically for the Lyrik B1-C1 and Yari A1-B1 forks, it ensures a perfect fit and seamless integration, reducing installation time and enhancing ride quality.

Style & Use Case

With a sleek diffusion finish, this high-quality assembly not only enhances the aesthetic appeal of your bike but also improves aerodynamics. Ideal for serious trail riders, enduro racers, and mountain bikers seeking premium upgrade components, it ensures reliable performance on demanding terrains.

Innovative Features

The DebonAir technology offers enhanced air spring performance, providing a plush feel in the initial stroke while maintaining support at the end of travel. The robust construction and precision engineering reduce maintenance needs and extend component lifespan, giving you confidence on every ride.

Optimize your mountain bike's front suspension with the RockShox Crown/Steerer/Upper Tube Assembly-designed for performance, durability, and style. Elevate your trail riding experience today!

  • Premium 35mm diameter aluminum crown, steerer tube, and upper tube assembly engineered for durability and strength in aggressive trail and enduro riding.
  • Designed specifically for RockShox Lyrik B1-C1 and Yari A1-B1 forks, ensuring a perfect fit and seamless performance upgrade.
  • Constructed with lightweight yet robust materials, featuring DebonAir suspension technology for improved shock absorption, responsiveness, and ride comfort across varied terrains.
  • Compatible with 27.5", 29", and 27.5+ wheel sizes, offering versatile use for diverse mountain biking styles and terrain conditions.
  • Includes a 51mm offset and 15 x 110mm boost spacing, optimized for enhanced steering precision, increased stability, and compatibility with modern bike frames.
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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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If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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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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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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