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-SID-Ultimate-Race-Day-2-Suspension-Fork-28.6-29-in-Suspension-Fork-SSFK1872-Suspension-MTB-Fork
Load image into Gallery viewer, RockShox SID Ultimate Race Day 2 Suspension Fork - 29", 120 mm, 15 x 110 mm, 44 mm Offset, Gloss Black, 3P Crown, D1
Load image into Gallery viewer, RockShox SID Ultimate Race Day 2 Suspension Fork - 29", 120 mm, 15 x 110 mm, 44 mm Offset, Gloss Black, 3P Crown, D1

SKU: SSFK1872

RockShox SID Ultimate Race Day 2 29" XC Suspension Fork - Ultra-Light 35mm Chassis, DebonAir+ Spring, Charger Race Day 2 Damper, Lockout & Rebound Adjustments, Tapered Trelaxially Black, 120mm Travel, Maxima Plush, Bolt-in Torque Cap Adapters

Regular price $879.20
$1,099.00 Sale price $879.20 Regular price
Sale Sold out
Unit price
/per 
Save 20%
  • 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
Specifications

Experience Unmatched Performance with the RockShox SID Ultimate Race Day 2 Suspension Fork - 29", 120mm Travel, 15 x 110mm Boost, Gloss Black

Elevate your cross-country riding with the premium technology and meticulous engineering of the RockShox SID Ultimate Race Day 2 Suspension Fork. Engineered for lightweight responsiveness and superior handling, this high-performance fork is designed for competitive XC racers and trail enthusiasts seeking precision, durability, and efficiency on every ride.

Materials & Construction:

Constructed with a robust 35mm chassis, the SID Ultimate balances lightweight design with exceptional rigidity, ensuring optimal stability and control. The seamless machined crown not only reduces weight but maintains structural strength, while bolt-in torque cap adapters facilitate compatibility with standard hub end-caps. Finished in a sleek Gloss Black, this fork exudes style and resilience suited for demanding terrain.

Performance & Engineering:

The SID Ultimate features a higher-volume DebonAir+ spring that delivers enhanced small-bump sensitivity and tunable mid-stroke support. Its air negative and positive springs allow for a precise, customizable ride tailored to your riding style and terrain conditions. The Maxima Plush Dynamic Suspension Lube minimizes friction, extends component life, and maintains consistent performance, ride after ride.

Components & Technology:

- Charger Race Day 2 3P Damper: One of the lightest dampers on the market, offering three compression settings - Open, Pedal, Lock - for adaptable performance. The external lockout threshold and rebound damping adjustments provide fine-tuned responsiveness for climbing or sprinting.

- Bushing Package: Maximize smoothness and rider confidence with upgraded bushing overlap ensuring a solid, precise feel.

- Air Spring: Provides effortless adjustment for varying rider weights and riding conditions, coupled with a lockout feature for efficient climbing.

- Compatibility: Designed for 29" wheels with a maximum tire width of 66mm, featuring a tapered steerer tube (230mm length) and 15mm thru-axle (110mm Boost spacing).

Style & Use Case:

With its sleek Gloss Black finish and 44mm offset, the SID Ultimate exemplifies modern XC styling, optimized for aggressive climbs, fast descents, and technical backcountry loops. Whether racing on challenging cross-country courses or exploring rugged trails, this fork delivers unmatched agility and control, making it your go-to component for competitive and recreational riding.

Innovative Features:

- Lightweight but stiff 35mm chassis for responsive handling

- High-volume DebonAir+ spring for superior bump absorption and tunability

- Integrated lockout and rebound adjustments for on-the-fly customization

- Machined crown minimizes weight without sacrificing strength

- Bolt-in torque cap adapters enhance hub interface stability

Upgrade your XC bike with the RockShox SID Ultimate Race Day 2 Suspension Fork - where advanced materials, innovative damping technology, and sleek styling converge to deliver peak performance on every trail. Optimize your ride for speed, control, and reliability today!

  • Lightweight and durable 35mm aluminum chassis offers optimal stiffness and control for aggressive XC riding and competitive racing.
  • Equipped with the advanced Charger Race Day 2 3P damper featuring three customizable compression settings-Open, Pedal, and Lock-for precise tuning and efficient power transfer.
  • Enhanced with DebonAir+ technology, this fork delivers superior small-bump sensitivity and tunable mid-stroke support, ensuring smoothness over varied terrain and rough trail conditions.
  • Designed with a sleek Gloss Black finish and CNC-machined crown, combining modern style with weight-saving engineering; includes bolt-in torque cap adapters for versatile wheel compatibility.
  • Engineered for 29-inch wheels with up to 66mm tire width, featuring rebound and lockout adjustments for personalized performance, making it the perfect suspension fork for cross-country racers and backcountry explorers.
Steerer TypeTapered
ColorGloss Black
Lockout SwitchCrown
Brake TypePost Mount 180
Crown Race40
Negative SpringAir
Travel (mm)120
Wheel Size29"
Offset44
External AdjustmentsLockout Threshold
External AdjustmentsRebound Damping
Defined ColorBlack
Positive SpringAir
Axle to Crown Length531
Front Axle15mm Thru x 110mm
Stanchion Diameter35
Maximum Tire Width66
S.H.I.S. Stem Clamp Diameter28.6
Steerer Tube Length (mm)230
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)