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RockShox SID Ultimate 29"/27.5+ DebonAir Fork 110-120mm Boost, Tapered Steerer
Reference Number: 7Q51V7
Experience unparalleled performance with the RockShox CSU SID Ultimate 110-120mm DebonAir (2020+) - the ultimate upgrade for cross-country and trail riders seeking precision, reliability, and lightweight design. Crafted for 29" and 27.5+ mountain bikes, this high-performance suspension fork component is engineered to elevate your riding experience across diverse terrains.
Premium Materials & Construction
Constructed with durable aluminum components, the RockShox CSU SID Ultimate features a robust crown, steerer, and upper tube assembly designed for optimal strength-to-weight ratio. The 32mm crown and tapered steerer tube ensure added stiffness and precise steering, enhancing overall handling and control on technical trails.
Advanced Performance & Engineering
Equipped with DebonAir technology, this fork provides superior sensitivity and small bump compliance, resulting in smoother rides over uneven terrain. The 110-120mm travel range offers versatile performance for cross-country and trail riding, maximizing comfort and control. The 51mm offset guarantees optimized handling balance, while the Boost 15x110mm axle compatibility ensures a secure and lightweight connection to your wheelset.
Innovative Components & Features
Designed specifically for the SID Ultimate series, this CSU assembly features 's precise model ID FS-SPP-A0, ensuring seamless integration with your existing fork components. Its lightweight aluminum construction reduces overall bike weight, maintaining agility without sacrificing durability.
Style & Use Case
With a sleek diffusion black finish, the RockShox SID Ultimate CSU complements modern mountain bike aesthetics. Ideal for XC racers and trail explorers, this component enhances your bike's responsiveness and confidence on tricky technical sections, steep ascents, and rapid descents.
Key Benefits:
- Optimized for 29" and 27.5+ wheel setups
- DebonAir air spring technology for enhanced small bump sensitivity
- Tapered steerer for improved steering precision and stiffness
- Boost 15x110mm compatibility for wide hub compatibility and increased wheel stiffness
- Lightweight aluminum construction for performance-oriented riders
- Durable design crafted for demanding off-road conditions
Upgrade your mountain bike with the RockShox CSU SID Ultimate 110-120mm DebonAir fork component - engineered to deliver responsive handling, lightweight durability, and superior ride quality across all your off-road adventures. Whether racing XC or exploring rugged trails, this high-performance CSU assembly is your key to pushing your limits.
- High-performance RockShox SID Ultimate 110-120mm DebonAir fork engineered with lightweight, durable aluminum components for optimized strength-to-weight ratio and long-lasting durability.
- Innovative DebonAir air spring technology provides tunable, smooth suspension travel for improved handling and responsive performance on cross-country and trail riding.
- Features tapered steerer tube and 51mm offset for precise steering control, enhanced stability, and compatibility with 29" and 27.5+ mountain bike wheels.
- Designed with 32mm crown/steerer/upper tube assemblies, this fork offers superior stiffness, reducing flex while maintaining a lightweight profile for competitive and recreational riders.
- Boost 15x110mm thru-axle and tapered steering tube ensure easy installation, increased front-end stiffness, and optimized suspension performance across diverse terrains.
Why 365 Cycles?
365 Cycles is an Authorized RockShox Dealer, and we offer the Full RockShox Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
