SKU: 99210099981

Rockshox Fork Sid Ultimate Race Day 29 Inch Boost 15x110 120mm in Black

Sale price$434.70 Regular price$483.00
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Ships within 48 hours · Estimated delivery Oct 29 - Nov 3

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Description

Rockshox Fork Sid Ultimate Race Day 29 Inch Boost 15x110 120mm in BlackA striking balance of light weight and exceptional downhill performance, the new SID finds a new level of confidence and defines what modern XC race bikes are capable of. The new SID Ultimate is built with more travel, an all new stiff 35mm chassis that features our lightest damper to date, the new Charger Race Day. This race ready package also includes the redesigned DebonAir air spring, tuned specifically for the demands of XC riders. Our friends at

A striking balance of light weight and exceptional downhill performance, the new SID finds a new level of confidence and defines what modern XC race bikes are capable of. The new SID Ultimate is built with more travel, an all-new stiff 35mm chassis that features our lightest damper to date, the new Charger Race Day. This race-ready package also includes the redesigned DebonAir air spring, tuned specifically for the demands of XC riders. Our friends at SKF and Maxima Plush Fluids come along for the ride, providing long lasting fork performance and improved overall suspension feel. Lighter and more capable than ever before, SID will get you to the finish line faster.

Key Features:

  • New 35mm chassis is the perfect blend of light weight and stiffness for the modern XC bike
  • New Charger Race Day Damper - our lightest production damper with rock-solid lockout
  • New DebonAir™ air spring is tuned specific to meet the demands of XC and maintains a higher ride height for increased confidence and control
  • New Ultra-low friction SKF wiper seals provide long lasting fork performance and improve overall suspension feel
  • Maxima Plush damping fluid reduces friction and silences damper noise
  • 29" wheel only
  • 120mm max travel
  • Machined/anodized crown
  • 2-bolt mounts to fit a short fender (RockShox fender sold separately)
  • Signature SID Blue colorway and Ultimate High Gloss Black
  • Ultimate foil graphics package
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99210099981

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4.6 ★★★★★
Based on 25 reviews
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Vanessa prado
Houston, US
★★★★★ 5
Item is sturdy
Great item. The quality is amazing too
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Reviewed in the United States on September 8, 2025
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George
Phoenix, US
★★★★★ 5
Good quality
Appeared to be better quality than the origional.
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Reviewed in the United States on January 16, 2026
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PAPA
Houston, US
★★★★★ 5
Cabin filter
Fits perfect
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Reviewed in the United States on July 17, 2025
C
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cheuer
Massapequa, US
★★★★★ 5
Perfect fit, solved steering pump noise
Installed this o-ring kit on a 2009 Honda Odyssey. The steering pump was making noise and you could see bubbles in the fluid revivor when the engine was idling indicating a potential air leak from where the hoses attach to the pump. The most difficult part was finding the right 10mm wrench that would allow me to access the lower hose mounting bolt without removing the belt or pump pulley. I wound up taking an old wrench, heated it with a torch, and bent it in a vice to get the right fit. I did order a ratcheting, flex head wrench but while waiting for it to be delivered I was able to make something work. Overall, the o-ring kit worked great, the o-rings seem high quality and this fixed my issue. If you don't already have some, make sure to order the power steering fluid required for Asian/Honda vehicles when you order these o-rings.
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Reviewed in the United States on February 24, 2025
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Amazon Customer
Dallas, US
★★★★★ 5
Works great
Worked great and easy to install
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Reviewed in the United States on March 21, 2026

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