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RockShox Pike RCT3 Solo Air 120 Boost (51mm Offset) Fork - 29/27.5+


Item # RSX0075

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Item # RSX0075

Worthy of your favorite trail bike.

After dropping a ton of loot on you dream bike, it would be near blasphemous to stick on a floppy fork that would only diminish its precise handling and plush riding characteristics. Instead of going the budget build route, upgrade your bike's riding characteristics with the plush support of the RockShox Pike RCT3 Solo Air 120 Boost (51mm Offset) 29/27.5+ Fork. The Pike RCT3 excels across technical trails with its 35-millimeter stanchions providing robust stiffness for piloting your trusty trail bike across technical trails with gigantic boulders, seriously steep lines, and jarring stretches of sharp rocks and roots.

This 29/27.5+ fork seamlessly switches between the two wheel sizes, thanks in part to its BOOST axle spacing. BOOST not only fortifies the front wheel to be stiffer and more precise across the rough stuff, but its wider spacing lends extra room for plus-sized rubber clearance. This particular version of the Pike 29/27.5+ gets a 51-millimeter offset, which reduces the "dead space" between the steering axis and hub for nimble handling at low speeds, which is often needed for modern 29ers/27.5+ bikes with slacker geometries.

The fork retains the Pike's signature features you've come to love since its inception, namely its RCT3 Charger damper with 3-position compression settings for on-the-fly adjustability. The RCT3 Charger damper retains its extruded bladder for the long-term reliability you've come to expect from a fork of Pike's caliber. Rapid Rebound helps the fork return to its upright position when you're slamming it on successive hits, which is vital to getting the most from its plush travel.

You can switch between Open, Pedal, and Firm with the simple flick of a knob, giving you the ability to customize its feel to the terrain at hand. For additional tuning options, you can fine-tune its low-speed compression in Open mode, which comes in handy for discerning riders dialing in every last detail of their fork's operation. Pedal mode is an intermediary setting between Open and Firm, meaning it's ideal for long uphills where extra efficiency is welcome. Firm is best for long slogs up fire roads and rides along the road when you're returning to the trailhead.

  • Support and stiffness for 27.5+/29in trail bikes
  • BOOST for stiffer wheel tracking and plus-sized clearance
  • Solo Air spring for plush, predictable riding characteristics
  • RCT3 Charger Damper with extruded bladder for durability
  • Rapid Recovery for fast recovery between consecutive hits
  • 3-position compression settings: Open, Pedal, Lock
  • Low-speed compression tuning in Open setting
  • 15x110mm BOOST thru-axle with quick-release

Tech Specs

Stanchion Material:
Fast Black-coated aluminum
Lower Material:
Crown Material:
forged, hollow 70750 aluminum
Wheel Size:
Steer Tube Diameter:
1-1/8 - 1-1/2in tapered
Stanchion Diameter:
Spring Type:
Solo Air
RCT3 Charger
3-position compression: Open/Pedal/Lock, low-speed compression, external rebound
Lock setting
15 x 110mm BOOST
Max Rotor Size:
Brake Compatibility:
post-mount disc
Recommended Use:
trail, all-mountain
Manufacturer Warranty:
2 years

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