The RockShox Lyrik Ultimate RC2 DebonAir+ Boost suspension fork for 29″ wheels let you master every trail
The RockShox Lyrik Boost 29″ suspension fork offers enough travel for all those determined to take on all-mountain to enduro trails, and comes outfitted with Ultimate equipment with Charger 3 RC2 damper and DebonAir+ air spring. These are each supported by ButterCups. The completely independent adjustment of high and low-speed compression damping enables precision tuning and saves you from having to calculate the interplay. The DebonAir+ air spring impresses with excellent response and confidence-inspiring control. Another highlight are the ButterCups, which absorb 20% of those small but incessant vibrations that make life difficult for your arms and hands on long, bumpy trails. The Ultimate bushings are 53% longer than the previous model and have a higher overlap area for low-friction operation. Pressure relief valves allow the air pressure in the immersion tubes to be easily adjusted to the environment.
Guidelines for Replacing E-bike Components:
Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance.
Specifications:
- Application:
- All Mountain, Enduro
- Wheel Size:
- 29″
- Suspension Type:
- air
- Travel:
- 140 mm, 150 mm, 160 mm
- Steerer Tube:
- 1 1/8″ – 1.5″ tapered
- Axle Type:
- thru-axle
- Wheel Standard:
- 15 x 110 mm (Boost)
- Brake Mount:
- disc PM7 (direct mount 180 mm)
Technical Information:
- Offset:
- 44 mm
- Steerer Tube Length:
- 265 mm
- Steerer Tube Diameter (Stem):
- 28.6 mm
- Steerer Tube Diameter (Crown Race):
- 40 mm
- Over Locknut Dimension:
- 110 mm
- Stanchion Tube Diameter:
- 35 mm
- Steerer Tube Material:
- Aluminium
- Crown Material:
- Aluminium
- Stanchion Tube Material:
- Aluminium
- Lower Tube Material:
- magnesium
Adjustment Options:
- Compression:
- low-speed, high-speed
- Rebound:
- low-speed
- Suspension Stiffness:
- air pressure adjust
- Remote:
- no
- Travel Adjustment:
- no
Approved For:
- Tyre Size (max.):
- 29 x 3.1″
- Note:
- For individual tyres, tyre clearance must be checked with the fork fully compressed and the tyre fully inflated. It should be at least 6 mm all around.
- Rotor Size (max.):
- 220 mm
Features:
- Charger 3 RC2 damping with fully independent adjustment of low and high speed compression through IFP design enables precise tuning
- ButterCups for smooth riding absorb 20% of lighter, high-frequency vibrations and thus prevent fatigue
- DebonAir+ air spring with more volume than DebonAir absorbs smaller bumps even better and at the same time stands higher in the suspension travel
- pressure relief valves release excess air pressure in the immersion tubes at the push of a button, adjustment of the air pressure to the environment
- reduced friction due to longer Ultimate bushings with higher overlap than the previous model
- 35 mm stanchion tube diameter for a good ratio of stiffness and low weight
- low-friction SKF wiper seals for high durability and good suspension behaviour
- with Maxima Plush Dynamic Suspension Lube for low friction and good durability
- crown adjust
- torque cap dropouts for increased stiffness
- with screw-on torque cap adapters for simplified use with standard end caps
- also suitable for e-bikes
- fork crown outer diameter: 59 mm
- fork crown light, milled and anodised
Models:
140 mm / 1.5 tapered / 15 x 110 mm / 44 mm:
- Travel:
- 140 mm
- Offset:
- 44 mm
- Axle to Crown:
- 551 mm
- Model ID:
- FS-LYRK-ULT-D1
- Manufacturer Numbers:
- 00.4020.694.014 (gloss black), 00.4020.694.017 (gloss green)
150 mm / 1.5 tapered / 15 x 110 mm / 44 mm:
- Travel:
- 150 mm
- Offset:
- 44 mm
- Axle to Crown:
- 561 mm
- Model ID:
- FS-LYRK-ULT-D1
- Manufacturer Numbers:
- 00.4020.694.013 (gloss black), 00.4020.694.016 (gloss green)
160 mm / 1.5 tapered / 15 x 110 mm / 44 mm:
- Travel:
- 160 mm
- Offset:
- 44 mm
- Axle to Crown:
- 571 mm
- Model ID:
- FS-LYRK-ULT-D1
- Manufacturer Numbers:
- 00.4020.694.012 (gloss black), 00.4020.694.015 (gloss green)
Contents:
- 1 x RockShox Lyrik Ultimate RC2 DebonAir+ Boost 29″ suspension fork
- 1 x RockShox Maxle Stealth thru-axle
- 1 x RockShox fender
- 2 x RockShox bottomless tokens
- 1 x star nut
- 2 x RockShox end cap adapters
- 2 x bolts
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