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New Bikes, Components, Racks & More: Shop MTB

SID SL Ultimate 29in Boost Fork

SID SL Ultimate 29in Boost Fork

$896.00

Style & Size:

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Why We Like The SID SL Ultimate 29in Boost Fork

The SID SL Ultimate is RockShox's lightest suspension fork, and is what we throw on our featherweight XC race bikes. RockShox went above and beyond to shed every possible gram, from hollowed magnesium lowers to a smaller bladder and damping system. Performance has improved over the previous generation SID to better handle small bumps and big impacts. The SID SL Ultimate comes slippery out of the box, and its Charger Race Day Damper is paired with a DebonAir spring to keep our tires planted to the ground as we charge through rocks and roots.


Details

  • RockShox' flagship XC fork is designed for superior weight savings
  • DebonAir spring offers smooth progression throughout its travel
  • Charger Race Day damper features a lockout and rebound adjust
  • Smaller bladder, less oil, and compact valving last longer
  • Optional remote lockout allows for on-the-fly adjustment
  • Anodized sag gradients make it easy to determine sag level
  • Item #RSXB04W
Travel
100mm
Stanchion Material
Fast Black-coated straight wall aluminum
Lower Material
magnesium
Crown Material
forged, hollow 7050 aluminum
Wheel Size
29in
Steer Tube Diameter
1-1/8 - 1-1/2in tapered
Stanchion Diameter
32mm
Axle To Crown
506mm
Rake
44mm
Spring Type
DebonAir
Damper
Charger Race Day
Adjustability
external rebound, 2-position compression (Open/Lock)
Lockout
yes
Axle
15 x 110mm Boost
Brake Compatibility
post-mount disc
Rotor Compatibility
160 - 200mm
Claimed Weight
[100mm, 44 offset] 3lb 4oz
Manufacturer Warranty
2 years
Activity
cross-country