Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

Load image into Gallery viewer, RockShox-Crown-Steerer-Uppertube-Assembly-CSUA0207
Load image into Gallery viewer, RockShox CSU for SID 29 51 DFBLK, 11.4018.008.472

SKU: CSUA0207

RockShox CSU for SID 29 51 DFBLK | Aluminum Tapered Diffusion Fork CSU for Solo Air RLC & Reba A7 80-100mm Suspension Components, Lightweight Durable Engineering, Compatible with SID RLC A1/SID XX/RL B1 2017+ Bikes

Regular price $298.38
$370.00 Sale price $298.38 Regular price
Sale Sold out
Unit price
/per 
Save 19%
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description

Upgrade your cycling performance with the RockShox CSU for SID 29 51 DFBLK, a premium component designed specifically for high-performance mountain biking and cross-country riding. Engineered with precision and durability, this CSU (Crown/Steerer) assembly is optimized for 29-inch wheelsets, offering seamless compatibility with your RockShox SID forks.

Materials & Construction:

Built from high-quality, lightweight aluminum, the RockShox CSU for SID 29 51 DFBLK ensures exceptional strength and durability without adding unnecessary weight. Its rugged black finish not only provides corrosion resistance but also complements a sleek, modern aesthetic suited for aggressive trail riding.

Performance & Engineering:

Designed for optimal performance, this CSU features advanced engineering that supports SOLO AIR suspension setups, ensuring smooth, responsive shock absorption on rugged terrains. With an aluminum tapered diffusion design, it enhances steering precision and stability, reducing flex for improved rider control.

Components & Technology:

Compatible with SID RLC A1, SID XX, RL B1 (2017+), and REBA A7 forks (2018+), this CSU integrates seamlessly with various high-performance fork models. It supports 80-100mm travel configurations, making it ideal for cross-country races and trail adventures. The SRAM model ID FS-SPP-A0 ensures reliable fit and function with SRAMS's proven suspension systems.

Style & Use Case:

Featuring a sleek black finish and a tapered design, this CSU not only elevates the look of your mountain bike but also enhances its performance on technical trails and climbs. Whether you're a competitive XC racer or an avid trail rider, the RockShox CSU for SID 29 51 DFBLK provides the reliability and precision needed for demanding rides.

Innovative Features:

This model is designed without gradients, focusing on straightforward, durable performance. Its precise engineering supports easy installation and maintenance, ensuring your suspension system functions flawlessly over countless rides.

Upgrade your mountain biking setup with the RockShox CSU for SID 29 51 DFBLK - the perfect balance of durability, performance, and style for serious riders seeking reliable suspension technology.

  • High-strength aluminum construction ensures durability and lightweight performance for all-mountain and trail riding, reducing fatigue on long rides.
  • Designed specifically for SID 29 51 forks, this CSU (Cylinder Steering Unit) integrates seamlessly with SRAM fork systems, providing precise steering response and smooth operation.
  • Engineered with advanced diffusion technology in a sleek black finish, the CSU enhances suspension efficiency and helps optimize damping characteristics for improved handling in diverse terrain conditions.
  • Compatible with 80-100mm travel models like SID RLC A1, SID XX, and Reba A7, this CSU is ideal for cross-country, trail, and all-day ride applications, offering versatile performance.
  • Features a robust aluminum taper diffusion design that balances strength and weight savings, making it an essential upgrade for riders seeking reliable, high-performance suspension components.
Shipping
Returns
About Us
Contact Us

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!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

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.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

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. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

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

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)