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RockShoxLyrik Ultimate 29in Boost Fork - 2020

Temporarily Out Of Stock

Item # RSX009J

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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Lyrik Ultimate 29in Boost Fork

When it comes to progress, Rockshox has never been one to sit on the sidelines, and they drive that point home by jumping straight into 2020 options well before even summer hits us here at the Competitive office. One example of RockShox's thirst for progress is the new Lyrik Ultimate 29in Boost Fork, which comes from the brand's new Signature Series, and takes the cake as the flagship model, representing the cream-of-the-crop in its offerings. Overall, the changes between the 2019 Lyrik and Lyrik Ultimate may look subtle on paper, but when tossed on the trail you'll find they create a noticeable ride improvement, offering best of breed in off-the-top sensitivity, and mid-stroke support that's damn near impossible to beat. It uses an updated Charger 2.1 damper, paired with the DebonAir spring that you found in previous models to offer a smoother than ever ride, that spends more time higher in its travel for better handling in chunky terrain and lofty hits.

The Lyric Ultimate represents the cream of the crop in RockShox enduro fork offerings, and updates start with the newly engineered Maxima Plush oil that reduces friction and improves smoothness in the stroke over previously used oils, improving seal lubrication. The seals themselves are also new, moving to a lower-friction design that's inspired by the motocross industry. RockShox also went with a new type of grease in the air chamber that lasts longer, and wears better than the grease in years passed.

RockShox made the largest changes on the Lyrik in the damper. Now dubbed the Charger 2.1, the damper features tweaks to its high-speed compression damping to reduce harshness, and altered the low-speed compression settings to make them much more usable — meaning you can run the highest amount of compression, and still feel the benefits of a supple fork. The rebound circuit has been updated, allowing the fork to ride higher in its travel when you're rolling across brake bumps and chattery rock sections. The damper also received a new wear band around the main piston, which is designed to stop oil flowing around the piston to increase rebound damping control when traveling at low shaft speeds, which translates to improved traction.

RockShox crafts the Lyrik Ultimate with travel ranges from 150-to-180-millimeters, and with both 42mm and 51mm offsets, allowing you to pair up with your steed for perfect compatibility on the trail.

  • RockShox enduro-tuned fork is fine-tuned for extra sensitivity
  • New Charger 2.1 damper reduces harshness and stiction
  • Oil flow path improves recovery and traction on the trail
  • Improved seal design is inspired by motocross to reduce friction
  • New rebound circuit lets fork ride higher in its travel
  • Maxima Plush oil bath keeps thinks moving slick and smoothly
  • Air chamber grease lasts longer than previous generations

Tech Specs
150mm, 160mm, 170mm, 180mm
Stanchion Material
Fast Black-coated aluminum
Lower Material
Crown Material
forged, hollow 7050 aluminum
Wheel Size
Steer Tube Diameter
1-1/8 - 1-1/2in tapered
Stanchion Diameter
42mm, 51mm
Spring Type
Charger 2.1 RC2
high-speed compression, low-speed compression, rebound
15 x 110mm Boost
Max Rotor Size
Brake Compatibility
post-mount disc
Rotor Compatibility
180 - 203mm
Recommended Use
Manufacturer Warranty
2 years

What do you think about this product?


>Rating: 5


I've put it through the wringer

I bought one of these in 170mm for an sb150. I never thought anything could feel better than my MRP Ribbon but this fork really amazed me. It absorbs small and large impacts so well that you can better focus on the trail and gives less fatigue. The RS app gave a very good setup starting point for pressure and rebound. Good job RockShox!