Winter Gear Guide—The Best Boards, Skis & Gear
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RockShox SID SL Select TwistLoc 29in Boost Fork


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  • Diffusion Black, 100mm, 44 Offset

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SID SL Select TwistLoc 29in Boost Fork

For those that hold speed in the highest regard, look no further than the SID SL Select TwistLoc 29in Boost Fork from RockShox for unmatched performance that sheds every possible ounce of weight. Intentionally tuned to be on the firmer end of the spectrum, the SID SL Select is a sensitive fork that steers sharply, provides optimal braking stiffness, and holds the line when you need it most. You can thank RockShox for the redesign that includes brand new lowers, uppers, crown, steerer, and spring.

The Charger RL damper weighs far less than its previous iteration thanks to a flexible rubber bladder and Debonair technology. The suspension uses Maxima Plush fluid, which RockShox discovered through internal testing to offer less friction while increasing the life of the SKF seals. Oh, and it also makes less noise too. Throw the bike into lockout as you power up steep climbs with the flick of a Twistloc lever to firm up the suspension before cruising down the other side.

  • RockShox' redesigned fork is primed with lightweight performance
  • DebonAir spring is smooth and consistent throughout its travel
  • Straight-wall aluminium upper tubes help shed weight
  • SKF wiper seals are ultra-low friction to maximize handling
  • Charger Race Day damper is the lightest cartridge damper from RS
  • Maxima Plush damping fluid reduces friction and damper noise
  • Twistloc remote goes from open to lockout in a single click
  • Item #RSXB04V

Stanchion Material
Fast Black-coated straight wall aluminum
Lower Material
Crown Material
forged, hollow 7050 aluminum
Wheel Size
Steer Tube Diameter
1-1/8 - 1-1/2in tapered
Stanchion Diameter
Spring Type
Charger RL
external rebound, 2-position remote compression (Open/Lock)
15 x 110mm boost
Max Rotor Size
Brake Compatibility
post-mount disc
Claimed Weight
Recommended Use
Manufacturer Warranty
2 years

Tech Specs

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