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-35mm-29"-Boost-Lower-Leg-Assembly-LBST0127
Load image into Gallery viewer, RockShox Lower Leg - 29 15x110 Boost Gloss Black -Sid (35mm) Ultimate 100-120mm C1 (2021)

SKU: LBST0127

RockShox Lower Leg - 29 15x110 Boost Gloss Black -Sid (35mm) Ultimate 100-120mm C1 (2021)

Regular price $234.84
$320.00 Sale price $234.84 Regular price
Sale Sold out
Unit price
/per 
Save 27%
  • 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 mountain biking experience with the RockShox Lower Leg for SID-a high-performance, durable component designed to optimize your 29-inch boost-compatible suspension fork. Crafted from premium materials, this 35mm diameter lower leg assembly ensures enhanced strength, stability, and reliability for demanding trail riding and aggressive downhill rides.

Materials & Engineering:

Constructed from premium alloy, the RockShox SID Lower Leg features a sleek gloss black finish that combines durability with lightweight performance. Its precision engineering delivers superior torsional stiffness and resistance to impacts, ensuring long-lasting performance under tough conditions.

Performance & Technology:

Designed specifically for 29-inch wheels with a 15x110mm Boost spacing, this lower leg assembly supports your fork's 100-120mm travel range, making it ideal for XC, trail, and all-mountain riding. The inclusion of C1 damping technology enhances control by providing consistent progressivity and increased sensitivity, allowing riders to tackle rough terrains with confidence. The Ultimate series ensures top-tier performance, responsiveness, and durability.

Components & Compatibility:

Optimized for the 2021 SID fork model, this lower leg assembly seamlessly integrates with your existing suspension system. Its 35mm stanchion diameter provides maximum stiffness and tracking precision, translating to improved handling and control on technical trails.

Style & Use Case:

Featuring a sleek gloss black finish, this lower leg complements any bike build while offering a professional upgrade to your suspension system. It's perfect for cross-country racers, trail riders, and mountain biking enthusiasts seeking reliable performance, consistent damping, and enhanced wheel clearance on modern 29-inch boost bikes.

Innovative & Differentiating Features:

- Precision-machined for perfect fit and finish

- Compatible with 2021 SID models for easy upgrade or replacement

- Designed for quick installation, ensuring minimal downtime

- Supports 100-120mm travel for versatile trail riding

- Boost compatibility with 15x110mm spacing for enhanced wheel stability

Elevate your mountain biking setup with the RockShox Lower Leg - the ultimate upgrade for reliable performance, advanced damping technology, and sleek style. Ride with confidence on demanding trails and technical descents.

  • Engineered from high-grade aluminum with a durable gloss black finish, the RockShox Lower Leg offers lightweight strength and corrosion resistance for long-lasting performance on rugged trails and cross-country rides.
  • Designed specifically for the RockShox SID model, this 29-inch boost-compatible lower leg features a 15x110mm Boost thru-axle compatibility, ensuring a secure fit and enhanced steering precision across challenging terrains.
  • Incorporating advanced suspension engineering, the 35mm stanchion diameter optimizes stiffness and damping control, delivering smooth, responsive handling and improved shock absorption for 100-120mm travel setups.
  • Ideal for XC racers and serious trail riders, this lower leg combines sleek style with high-performance components, including C1 technology for customizable damping adjustments, enhancing ride quality and responsiveness.
  • A perfect replacement or upgrade component, the RockShox SID Lower Leg is designed for easy installation, ensuring minimal downtime while maintaining your bike's top-tier performance and style.
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)