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RockShoxLyrik Ultimate 29in Boost Fork


Item # RSXB04M

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  • BoXXer Red, 150mm, 42mm Offset ($968.00)
  • BoXXer Red, 150mm, 51mm Offset ($968.00)
  • BoXXer Red, 160mm, 42mm Offset ($968.00)
  • BoXXer Red, 160mm, 51mm Offset ($968.00)
  • Gloss Black, 150mm, 51mm Offset ($968.00)
  • Gloss Black, 160mm, 42mm Offset ($968.00)
  • Gloss Black, 160mm, 51mm Offset ($968.00)
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Item # RSXB04M

Why We Like The Lyrik Ultimate 29in Boost Fork

The Lyric Ultimate represents the cream of the crop in RockShox enduro fork offerings, and updates to this generation 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' flagship fork for all-mountain and enduro riding
  • 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
  • Updated 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
Travel150, 160, 170, 180mm
Stanchion MaterialFast Black-coated aluminum
Lower Materialmagnesium
Crown Materialforged, hollow 7050 aluminum
Wheel Size29in
Steer Tube Diameter1-1/8 - 1-1/2in tapered
Stanchion Diameter35mm
Rake42mm, 51mm
Spring TypeDebonAir
DamperCharger 2.1 RC2
Adjustabilityhigh-speed compression, low-speed compression, rebound
Axle15 x 110mm Boost
Brake Compatibilitypost-mount disc
Rotor Compatibility180 - 220mm
Recommended Useenduro
Manufacturer Warranty2 years

Actual Weight

BoXXer Red, 150mm, 42mm Offset
BoXXer Red, 150mm, 51mm Offset
BoXXer Red, 160mm, 42mm Offset
BoXXer Red, 160mm, 51mm Offset
Gloss Black, 150mm, 51mm Offset
Gloss Black, 160mm, 42mm Offset
Gloss Black, 160mm, 51mm Offset

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?



Is this the 2021 version?

Hey Eric, Yes, that is correct these are the new 2021 versions